# College Algebra Questions?

Please help me :)
A stone is dropped into a pond, causing a circular ripple that is expanding at a rate of 10 ft/sec. Describe the area of the circle, A , as a function of time, t .
Enter an exact answer in terms of pie.
Check whether f and g are inverses of each other.
f(x) = 2x + 2 and ...
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Please help me :)

A stone is dropped into a pond, causing a circular ripple that is expanding at a rate of 10 ft/sec. Describe the area of the circle, A , as a function of time, t .

Enter an exact answer in terms of pie.

Check whether f and g are inverses of each other.

f(x) = 2x + 2 and x-2/2

(f*g)(x)

(g*f)(x)

Find the inverse for the given function.

5/x+7

A stone is dropped into a pond, causing a circular ripple that is expanding at a rate of 10 ft/sec. Describe the area of the circle, A , as a function of time, t .

Enter an exact answer in terms of pie.

Check whether f and g are inverses of each other.

f(x) = 2x + 2 and x-2/2

(f*g)(x)

(g*f)(x)

Find the inverse for the given function.

5/x+7

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