The temperature T(t), in degrees Fahrenheit, during the day can be modeled by the equation T(t) = −0.7t2 + 9.3t + 58.8, where t is the number of hours after 6 a.m. (a)How many hours after 6 a.m. is the temperature a maximum? Round to the nearest tenth of an hour. ? hr (b)What is the maximum temperature (in degrees Fahrenheit)? Round to the nearest degree. ? °F

The temperature T(t), in degrees Fahrenheit, during the day can be modeled by the equation T(t) = −0.7t2 + 9.3t + 58.8, where t is the number of hours after 6 a.m. (a)How many hours after 6 a.m. is the temperature a maximum? Round to the nearest tenth of an hour. ? hr (b)What is the maximum temperature (in degrees Fahrenheit)? Round to the nearest degree. ? °F

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter3: Linear And Nonlinear Functions

Section3.4: Slope-intercept Form

Problem 73PFA

See similar textbooks

Similar questions

The population of a city is modeled by the equation P(t)=256,114e0.25t where t is measured in years. Ifthe city continues to grow at this rate, haw manyyears will it take for the population to reach onemillion?
A path of a toy rocket thrown upward from the ground at a rate of 208 ft/sec is modeled by the quadratic function of. h(x)=16t2+208t. When will the rocket reach its maximum height? What will be the maximum height?
When a certain drug is taken orally, the concentration of the drug in the patient's bloodstream After t minutes is given by C(t)=0.06t0.0002t2 where 0t240 and concentration is measured in mg/L .When is the maximum serum concentration reached, and what is that maximum concentration?
A Skydiver When a skydiver jumps from an airplane, his downward velocity, in feet per second, before he opens his parachute, is given by v=1761-0.834t, where t is the number of seconds that have elapsed since he jumped from the airplane. What is the velocity after 5 seconds?
Find the unknown value. 27. y varies jointly with x and the cube root of 2. If when x=2 and z=27,y=12, find y if x=5 and z=8.
Using Figure 7, solve f(x)=1 .