If f(x)=4x-2 and x(t)=√(t+2), find f(x(7))

If f(x)=4x-2 and x(t)=√(t+2), find f(x(7))

If f(x)=-2x+1 and x(t)=t-3, find f(x(2)) Please help I don't understand how to go about solving this

a stone is thrown directly upward from a height of 30ft with an intitial velocity of 60 ft per second. the height of the stone t seconds after it has been thrown is given by the function s(t)=-16t^(2)+60t+80...

If f(x)=2x+1, then what does f-1(7)=?

If f(x) is a linear function and f(2)=1 and f(4)=-2, then what is f(x)=?

I keep redoing this problem and cannot see where I am messing up, I know I am not getting the correct answer because it is not even an option listed (multiple choice problem). Given f(r)...

Functions

why is the k value in y=1/x defined as 1/k?

For the functions f(x)=9x-12 and g(x)=4x+5 a. (f+g)(x) b. (f-g)(x)

For the following of functions, find (a) (f+g)(x) and (b) (f-g)(x) f(x)=4x squared+7x-4 g(x)=-5x squared+4x-9

if f(x)=(2x-4) and g(x)=(x-4) find (fg)(x)

For the functions f(x)=9x-12 and g(x)=4x+5, find the following (f+g)(x) (f-g)(x)

x y ...

If f(x-5)=x2-5, which of the following is equal to f(-2)?

If f(x-3)=x2+x+1, which of the following represents f(x)?

f(x)=ax+b In the function above a and b are constants. If f(0)=3 and f(3)=-8, what's the value of f(6)?

The derivative of a polynomial is f'(x) = (x-3)^2 (x+7)

Write an equation to represent the number of remaining miles y after driving any number of hours x.

Write and equation in both standards and function notation forms to represent the total amount spent at the amusement park if a person goes anywhere from 0 to 5 rides

Even I split lim [f(x)+g(x)] into lim f(x) + lim g(x) x→0 ...

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