The answer should be 49 433/1000
(f+g)(x)=f(x)+g(x)=(2x-6)+(4x+7)=6x+1
(f-g)(x)=f(x)-g(x)=(2x-6)-(4x+7)=-2x-13
(fg)(x)=f(x)×g(x)=(2x-6)(4x+7)=8x^2-10x-42
(f+g)(-2)=f(-2)+g(-2)=(2(-2)-6)+(4(-2)+7)=-11
9a-27b you must multiply 9 to everything
Answer:
$660
Step-by-step explanation:
7.5 * 11 * 8 = $660
7.1-0.6=6.5 is the answer
