f(x)=-2x
g(x)=8x^2-5x+7
Find (f x g)(x).
To find (f x g)(x), we need to substitute g(x) into f(x) and simplify.
First, substitute g(x) into f(x):
f(x) = -2x
f(g(x)) = -2(8x^2-5x+7)
Next, simplify:
f(g(x)) = -16x^2 + 10x - 14
So, (f x g)(x) = -16x^2 + 10x - 14.