For the pair of functions, find the indicated sum, difference, product, or quotient.
-f(x)= 2x+5, g(x)= 6x+8
Find (fg)(x).
A) $12 x ^ { 2 } + 40$
B) $12 x ^ { 2 } + 46 x + 40$
C) $12 x ^ { 2 } + 38 x + 40$
D) $8 x ^ { 2 } + 46 x + 13$

Question

Quizplus · Accepted Answer

The product (fg)(x) is found by multiplying f(x) and g(x) together: (2x + 5)(6x + 8) = 12x^2 + 16x + 30x + 40 = 12x^2 + 46x + 40.

For the Pair of Functions, Find the Indicated Sum, Difference 12x2+4012 x ^ { 2 } + 4012x2+40

For the Pair of Functions, Find the Indicated Sum, Difference $12 x ^ { 2 } + 40$