Question

Operations with functions & compositions

3 ( h(x) ) + j(x)

h(x)= x + 5
j(x) = 2x^2 - 3x + 4

Answer 1

• 3(h(x))+j(x)
• 3(x+5)+2x²-3x+4
• 3x+15+2x²-3x+4
• 2x²+19

Answer 2

2x^2 + 3x + 16

Explanation:

fill it in like this 3 (x + 5) + 2x²- 3x + 4

then solve