Math

CalculusQ&A LibraryVariable stars are ones whose brightness varies periodically. The brightness of a certain star is modeled by the functionb(t) = 8.5 – 2.6 cos( t)158where t is measured in days.(a) Find the period.days(b) Find the maximum and minimum brightness.(minimum)(maximum)(c) Graph the function b.8,5316798.5-8.5Question

Asked Dec 17, 2019

19 views

Step 1

To find the period we divide 2pi by coefficient of t.

Answer(a):** Period = 316 days**

Step 2

cos theta lies between -1 to 1.

We use that to find max and min.

Answer(b) :** Mi...**

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: r2 Evaluate xe* dx. хе

A: Find the value of definite integral.

Q: Calculus Question

A: Click to see the answer

Q: 12. For f(x) = x' +3, g(x) = x – 10, and h(x) = /x find f°g•h. %3D Gogo h\(x) = (~x - 10) +3 a. |3| ...

A: Find composition of three functions.

Q: #10

A: If r is the radius of the tumor then the volume of the tumor will be:

Q: For an average person, the rate of change of weight W (in pounds) with respect to height h (in inche...

A: Given:

Q: Describe the concavity of the graph of the function. (Enter your answers using interval notation. If...

A: Find concavity for the function.

Q: A company manufactures and sells x cellphones per week. The weekly price-demand and cost equations a...

A: The weekly price demand and cost equations are shown below.

Q: How do you solve this?

A: v is in first quadrant so v/2 is in first quadrant too.

Q: 32. Maximize and Minimize Z = 7x + 36y 2x + 3y > 6 -3x+ 4y < 8 5x – y < 15 Subject to :

A: We first draw 2x+3y=6 , -3x+4y=8 and 5x-y=15(using graphing calculator)