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

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

User FrancescoDS
by
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2 Answers

5 votes
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
User Marcus Mangelsdorf
by
8.4k points
3 votes
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
User Sohan Soni
by
8.7k points
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