Question

If f(x) = 2x2 + 3 and g(x) = x2 - 7, find (f-9)(x).

O A. 3x2 - 10
O B. 3x2 - 4
O c. x2 + 10
O D. x² - 4
Plzzz helpp

Answer 1

x^2 + 10

Explanation:

f(x) = 2x^2 + 3

g(x) = x^2 - 7,

(f-g)(x) = 2x^2 +3 - ( x^2 -7)

Distribute the minus sign

= 2x^2 +3 -x^2 +7

Combine like terms

= x^2 +10