Question

if f(x)=2x²+1 and g(x)=x²-7, what is (f+g)(x)?

Answer 1

Answer:

2x^2 + 1 + x^2 - 7

= 3x^2 -6

____________

Answer 2

if f(x)=2x²+1 and g(x)=x²-7, then what is (f+g)(x)?

Answer:

Given: 2x² + 1 = f(x) and x² - 7 = g(x)

To Find: (f + g)(x)

Solution:

(f + g) (x) = (2x² + 1) + (x² - 7)

= 3x² + 1 - 7

= 3x² - 6

Thus, Final answer is 3x² - 6.