Question

Let f(x) = -2x + 7 and g(x) = -6x + 3. Find fg and state its domain.

Answer 1

f(g(x))=12x+1

Explanation:

f(g(x)) = -2(-6x+3)+7

f(g(x))= 12x-6+7

f(g(x))=12x+1

Domain: All real numbers