Question

I need assistance with number 5

Answer 1

A

Explanation:

f(x) + g(x)

= x² - 2x + 3 + x³ - x² + 4x ← collect like terms

= x³ + (x² - x²) + (- 2x + 4x) + 3

= x³ + 0 + 2x + 3

= x³ + 2x + 3 → A