Question

If h(x) = 3x and k(x) = 2x - 4, what is h(k(x))??

Answer 1

6

Explanation:

k(x) = 2x - 4 = 0

2x = 4

x = 2

Now replacing it in h(x) as 2

h(x) = 3x

3 × 2 = 6