Given f(x)=3x+5 and g (x)= -8x- 10, how do you find f(x)+g(x), f(x)-g(x), f(x)*g(x), f(x)divg(x)?

1 Answer
May 29, 2018

see below....

Explanation:

f(x)+g(x)=3x+5-8x-10

f(x)+g(x)=-5x-7

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f(x)-g(x)=3x+5-(-8x-10)

f(x)-g(x)=3x+5+8x+10

f(x)-g(x)=11x+15

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f(x)*g(x)=(3x+5)(-8x-10)

f(x)*g(x)=-24x^2-70x-50

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f(x)/g(x)=(3x+5)/(-8x-10)

f(x)/g(x)=-(3x+5)/(2(4x+5))