Question

Let f(x) = x2 - 1 and g(x) = 2x - 3. Find the new function and write it in simplest form

f+g
a.
-x² + 2x - 2
b. x2 - 2x + 2
x² + 2x - 4
d. 2x3 - 3x2 - 2x + 3
Please select the best answer from the choices provided
A
B
С
D

Answer 1

Explanation:

Answer 2

Option C is the correct answer

`{x}^(2) + 2x - 4`

Explanation:

`f(x) = {x}^(2) - 1 \\ g(x) = 2x - 3 \\ (f + g)(x) = f(x) + g(x) \\ (f + g)(x) = {x}^(2) - 1 + 2x - 3 \\ \purple{ \boxed{ \bold{ (f + g)(x) = {x}^(2) + 2x - 4}}}`