Question

If f(x) = 2x -3 and g(x) = x + 4, what is f(g(0))?

A. 5
B. 1
C. 3
D. -2
E. 0

Answer 1

A) 1

B) 4/9

C) 16/81

Answer 2

f(x) = 2x - 3

g(x) = x + 4

f(g(x)) = 2.(x + 4) - 3

f(g(x)) = 2x + 8 - 3

f(g(x)) = 2x + 5

f(g(0)) = 2.0 + 5 = 0 + 5 = 5

Alternative A.