4 years ago

What is the answer for all three of them?

1 answer:

4 0

$g(x)=3x+1,\ h(x)=4x\\\\(g+h)(x)=g(x)+h(x)=3x+1+4x=7x+1\\\\(g\cdot h)(x)=g(x)\cdot h(x)=(3x+1)(4x)=12x^2+4x\\\\(g-h)(-1)=g(-1)-h(-1)=3(-1)+1-4(-1)=-3+1+4=2$

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