Melissa took a 400 mg dose of antibiotics. Her doctor said that the amount of medicine in her bloodstream would change by −24% every 3 hours. Select the formula for the function f that models the amount of medicine in Melissa's bloodstream (in mg) in terms of the number of hours, t, since she took the dose. A) f(t)=400⋅0.76t3f(t)=400⋅0.76t3 B) f(t)=400⋅0.763tf(t)=400⋅0.763t C) f(t)=400⋅0.243tf(t)=400⋅0.243t D) f(t)=400⋅0.76tf(t)=400⋅0.76t E) f(t)=400⋅0.24t3

Q: The number of gallons of water, W, used when taking a shower varies directly as the time, t, in…

A:

Q: Solve for f. 7 15 f dg

A:

Q: The number of gallons of water, W, used when taking a shower varies directly as the time, t, in…

A:

Q: d) An 800-liter tank is half full of water is being filled with water pumped at the rate of 45…

A: We have, an 800-liter tank is half full of water and is being filled with water pumped at the rate…

Q: Jose hopes to earn $600 in interest in 2.3 years time from $12,000 that he has available to invest.…

A: From the given information, it is observed that the present value is PV = $12,000 the future value…

Q: Allen runs 8 miles in 3 hours at a steady pace. How long does it take him to run 3 miles?

A: speed is calculated by the formula,

Q: One of the most commonly used formulas to calculate the surface area of the human body is given by…

A:

Q: a) The tallest building in the world is located in Dubai and is the Burj Khalifa which measures 828…

A:

Q: A skydiver equipped with parachute and other essential equipment falls from rest toward the earth.…

A:

Q: stone is thrown vertically into the air at an initial velocity of 97 ft/s. On a different planet,…

A:

Q: A population of bacteria is growing according to the equation P(t) = 750e population will exceed…

A: Equation for bacteria growth is given by- Pt=750e0.04t We have to find out when the population of…

Q: When a car skids to a stop, the length L (in feet) of the skid marks is related to the speed S (in…

A: From the given information. The relation between length L and speed of car S is as follows. L=130hS2

Q: At 8:30 a.m., a coroner was called to the home of a person who had died during the night. In order…

A:

Q: The velocity, v, of a falling object varies directly to the time, t, the object is falling. After 3…

A: Follow the procedure given below.

Q: A vehicle purchased for $27500 depreciates at a constant rate of 18% each year. Its value after t…

A: I have used the correct equation

Q: If an object is dropped from a 192-foot-high building, its position (in feet above the ground) is…

A: Given data:   The height of the building is h=192 feet. The given expression for the position of the…

Q: The value of China's exports of automobiles and parts (in billions of dollars) is approximately f(x)…

A:

Q: A person x inches tall has a pulse rate of y beats per minute, as given approximately by -1/3 y =…

A: Please refer to the image below.

Q: At the beginning of spring, Samantha planted a small sunflower in her backyard. When it was first…

A: Given: Samantha planted a small sunflower in her backyard. When it was first planted, the sunflower…

Q: When a car skids to a stop, the length L (in feet) of the skid marks is related to the speed S (in…

A:

Q: (a) If a painter can complete a job in 4 hours, what is the painter's rate of work? ? of the job…

A:

Q: Juan is rappelling down a 495-foot cliff. He moves down the cliff at a rate of 6 feet per second.…

A: Given:   The height of the cliff: 495 feet. Juan moves down the cliff at a rate of 6 feet per…

Q: Fernando is walking home from a friends house at a constant speed after seven minutes he is 3 miles…

A: After 7 minutes Fernando is 3 miles from home. After 27 minutes after leaving Fernando is 1.8 miles…

Q: gt+*=ドg

A: If the relation between the variables x and y are given by an equation and the equation can not be…

Q: A person x inches tall has a pulse rate of y beats per​ minute, as given approximately by y=588x−1/2…

A:

Q: A vehicle purchased for $32500 depreciates at a constant rate of 16 % each year. Its value after t…

A: We will find the number of years that it takes for the vehicle to depreciate to $11000 as following.

Q: A population of bacteria is growing according to the equation P(t) = 1550e0.11t , where t is the…

A: The time dependence of the population is given by: P(t) = 1,550e0.11t  We have to find t when P(t)…

Q: The number of gallons of water, W, used when taking a shower varies directly as the time, t, in…

A: Given:A Shower  lasting 5 minutes uses 5 gallons of water13 minutes=?

Q: If f(x) = 3*** what does ft-2) equal? %3D

A: To find : f(-2)

Q: A projectile is launched upward from a height of 960 feet with an initial velocity of 112 ​ft/s.The…

A: NOTE: Refresh your page if you can't see any equations. . when the projectile reaches the ground,…

Q: As the relative humidity increases, the temperature seems higher than it is.  The formula T = 0.101x…

A:

Q: The number of hours is ,N, required to dig a certain hole is inversely proportional to the number of…

A: according to question relation between the number of hours(N) and the number of people (x) N1/N2=…

Q: The population, P, of prairie dogs increases according to the equation P=2,250e^rt, where t is the…

A:

Q: A vehicle purchased for $3250032500 depreciates at a constant rate of 16%16% each year. Its value…

A:

Q: After a baby was born, she began to gain weight at a rate of 1.5 pounds per month. The weight of the…

A:

Q: The volume, QQ, of a sound is inversely proportional to the square of the distance nn, in meters,…

A: Q is inversely proportional to the square of the distance, n

Q: A venicle purchased for $27500 depreciates at a constant rate of 14 %o each year. Its value after t…

A: Given  value of the vehicle after t year   is    P(t)=P0.86t

Q: Kathy plans to purchase a car that depreciates (loses value) at a rate of 14% per year. The initial…

A:

Q: A company selling widgets has found that the number of items sold, x, depends upon the price, p at…

A: Please see the explanation below

Q: A bank account balance, in dollars, is modeled by the equation f(t)=1000⋅(1.08)^t, where t is time…

A: The account balance at any given amount of time is given by the equation ft=1000·1.08t. To find:…

Q: A person x inches tall has a pulse rate of y beats per minute, as given approximately by y =…

A: A person  x inches tall has  a pulse rate of y beats per miniute , is given by y=576 x-13      for…

Q: The number of dislocated electric impulses per cubic inch in a transformer when lightning strikes is…

A:

Q: It takes a train 15 hours to travel from Chicago to New York City and the distance traveled by the…

A: distance =800 miles time = 15 hours average speed = s

Q: A bottle manufacturer has determined that the cost (C) in dollars of producing xr bottles is C =…

A:

Q: 4 The height, h, of an ball that is thrown st upward from an initial position 3 feet off ground with…

A: It is given that, the height h of a ball that is thrown straight upward from an initial position 3…

Q: A snowplow has maximum speed of 35 miles per hour on a dry highway. Its maximum speed decreases by…

A: Given, a snowplow has maximum speed of 35 miles per hour on a dry highway. Its maximum speed…

Q: The height above the ground of a bullet fired straight upward is h(t) = 1700t - 16t2 feet, where t…

A:

Q: Blake is doing laps around a track. Blake can run 3 miles per hour faster than he can walk around…

A:

Q: If an object is dropped from 182 foot high building, it's position (in feet above ground) is given…

A: Given that, an object is dropped from 182 foot high building. It’s position is given by,

Q: A rock is thrown off of a 100 foot cliff with an upward velocity of 45 m/s. As a result its height…

A: