Question

If f(x) = 2x + 1 and g(x) = x^2 find g(f(3))
49
19
7
13

Answer 1

49

Explanation:

Put the numbers in place of the variables and do the arithmetic.

g(f(3)) = g(2·3 +1) = g(7) = 7²

g(f(3)) = 49