Question

If f(x) = 3x + 2 and g(x) = x^2+ 1, which expression is equivalent to (fºg)(x)?​

Answer 1

3x^2+5

Explanation:

f(x) = 3x + 2 ; g(x) = x^2+ 1

(fºg)(x) = 3(x^2+ 1)+2

(fºg)(x) = 3x^2+3+2

(fºg)(x) = 3x^2+5