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Maydaisy57 Maydaisy57
  • 01-07-2015
  • Mathematics
Answered

If f(x)=x+4 and g(x)=2x-3, find (g-f)(2)

Verified Answer :

Panoyin
Panoyin Panoyin
  • 01-07-2015

f(x) = x + 4
g(x) = 2x - 3
(g - f)(2) = (2x - 3) - (x + 4)
(g - f)(2) = (2x - x) + (-3 - 4)
(g - f)(2) = x - 7

Answer Link
hunaifirst hunaifirst
  • 02-07-2015

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


(g-x)(x) = [2x-3] -[x+4]
= 2x-x-3-4
= x-7



(g-x)(2)= (2)-7
= -5

Answer Link

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