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sarahrocks44
sarahrocks44 sarahrocks44
  • 22-08-2016
  • Mathematics
Answered

f(x) = 3x + 9, g(x) = 5x2


Find (f + g)(x).

Verified Answer :

yadaharris
yadaharris yadaharris
  • 22-08-2016

(f-g)(x) is a shorthand way of saying that you need to get the difference of the two functions: f(x) and g(x). so essentially,

(f-g)(x) = f(x) - g(x)
= 5x+2 - (-3x+4)
= 8x-2

(f/g)(-2) = f(-2)/g(-2)
= -4/5 or -0.8

Hope this helps.

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