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Given f(x) = 7x -5 and g(x) = 2(x-1)^2 -4

Determine the value of g(2) - f(2)

calculate and simplify g(a) -f(a)
 Sep 27, 2013
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I am not going to do the whole question for you but i will try to explain.
If g(x)=3*t - 6
then g(2) would equal 3*2 - 6 = 0
g(-4) = 3*(-4) - 6 = -18
g(a) = 3*a - 6

Just replace the original thing in the bracket with the new thing in the bracket.
 Sep 28, 2013

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