The area of a circular wave expands across a still pond such that its radius increases by 3 cm each second. Write a formula for the area A of the circle as a function of time t since the wave begins:...

The area of a circular wave expands across a still pond such that its radius increases by 3 cm each second. Write a formula for the area A of the circle as a function of time t since the wave begins:...

A circular oil slick is expanding with radius, r in yards, at time t in hours given by r=2t−0.3t^2, for 0≤t≤10. Find a formula for the area in square yards, A=f(t), as a function of time. f(t)=...

Find a number a such that f∘g=g∘f, where f(x)=6x+5 and g(x)=ax+4. a=?

I need help because I do not understand this yet.

f(x) = sin(-6x)/(9x). x is less than 0 3x-9k-6. x is greater than or equal to 0 Help!?

how i answer?

f(x) = 1. -8x^2+48x-40/(x-1) x is less than 1 2. -2x+k x is greater than or equal to 1

tan(71°)-tan(11°)/1+tan(71°)tan(11°)=tan(A°)=√B A= B=

Factor the following polynomial function over the complex numbers: f(x) = x⁴ + 3x² − 4 - Thanks to anyone who helps!

The table shows ordered pairs for a polynomial function, f. What is the degree of f? Here's the picture of the table: https://imgur.com/a/xIRiU

5 more than 4 times of the number 2

Consider the function f(x)=2-2 sqrt(x+3) and g(x)=2^x. a) What is (f o g)(x)? b)Do you have to restrict the domain of g(x) for part (a) to make sense? If so, what...

in 1927 Charles Lindbergh had his first solo flight across the Atlantic ocean. He flew 3,610 miles in 33.5 hours. If he flew about the sane number of miles each hour, how many miles did he fly...

Suppose h(x)=f o g (x). a) If f(x)=3x-1 and h(x)=x, find g(x). b)If g(x)=3x-1 and h(x)=x, find f(x). Please help, I really dont understand what to do in...

Suppose h(x)=f(g(x)), h(x)=(2x+1)^3, and f(x)=x^3. What is g(x)?

Liza needs a total of 22.23 square feet of terry cloth to make a beach towel and a beach bag . the beach bad requries 5.13 square feet of clith. What is the length of the beach towel?

Round your answers to two decimal places when necessary. h=150-190t-490t2 (h is in centimeters and t is in seconds) The initial height is _____ centimeters and the object...

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