Question 232828: I need to find: f+g, f-g, f.g, and f/g. I am completely lost.
f(a)=-6x-1, g(x)=-8x +7
Can you help me, I need this right away.
Thank you,
Janet
dreamy2804@yahoo.com
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! I need to find: f+g, f-g, f.g, and f/g. I am completely lost.
f(a)=-6x-1, g(x)=-8x +7
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I'll assume that's f(x), not f(a)
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f+g = -6x-1 + -8x+7
= -14x+6 just add them
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f-g = -6x-1 - (-8x+7)
= -6x-1 +8x-7
= 2x-8
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Is that the product? f*g?
= (-6x-1)*(-8x+7)
= 48x^2 -34x - 7
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f/g = (-6x-1)/(-8x+7) not much to be done here
= (6x+1)/(8x-7) slightly simpler.
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