Question

Let f (x) = 3.x2 + 2x – 1 and g(x) = x2 – 3x + 1

Find f(x) + g(x)
4x2 –x
4x2 + 5x
2x2 – 5x + 2
4x2 - x + 2

Answer 1

Explanation:

3x2 + 2x – 1

+ x2 – 3x + 1

= 4x2 – x

Answer 2

4x² - x

Explanation:

Add:

3x² + 2x - 1

x² - 3x + 1

= 4x² - x