For the pair of functions, find the indicated sum, difference, product, or quotient.
-$$f ( x ) = 6 - 4 x , g ( x ) = - 9 x ^ { 2 } + 4$$
Find $( f + g ) ( x )$.
A) $- 13 x ^ { 2 } - 4 x + 10$
B) $- 9 x ^ { 2 } + 6$
C) $- 9 x ^ { 2 } - 4 x + 10$
D) $- 13 x + 10$

Question

Quizplus · Accepted Answer

To find $(f + g)(x)$, you add the functions $f(x) = 6 - 4x$ and $g(x) = -9x^2 + 4$ together: $(6 - 4x) + (-9x^2 + 4) = -9x^2 - 4x + 10$.

For the Pair of Functions, Find the Indicated Sum, Difference f(x)=6−4x,g(x)=−9x2+4f ( x ) = 6 - 4 x , g ( x ) = - 9 x ^ { 2 } + 4f(x)=6−4x,g(x)=−9x2+4

For the Pair of Functions, Find the Indicated Sum, Difference $f ( x ) = 6 - 4 x , g ( x ) = - 9 x ^ { 2 } + 4$