Question

Find (f9)(x).

A.
B.
C.
D.​

Answer 1

(fg)(x) = (4x^2 + x^4)(x^2 + 4)^(1/2)

Explanation:

Mathematically;

(fg)(x) = f(x) * g(x)

so we have;

4x^2 +x^4 * √(x^2 + 4)

But √(x^2 + 4) = (x^2 + 4)^(1/2)

So we have;

(fg)(x) = (4x^2 + x^4)(x^2 + 4)^(1/2)