Question

If f(x) = 3x + 2 and g(x) = x2 + 1, which expression is equivalent to (f circle g) (x)?

Answer 1

It's 21

Explanation:

Answer 2

Answer: 6x + 5

Explanation:

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

(fog)(x) = f(g(x)

= f(2x+1)

= 3(2x+1)+2

= 6x + 3 + 2

= 6x + 5