cmitc9828 cmitc9828

06-02-2018
Mathematics

contestada

If f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (g – f)(3)?

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IamMrMan1 IamMrMan1

12-02-2018

g(6x) - (4-2x) and x=3
So you'll start by substituting which is
6x-4+2x because of distributing of signs and you answer out to (8x-4)(3) which comes out as
8(3)-4 Which equals out to 20 since 8x3 equals 24 minus 4 is 20.

Answer=20
Hope it helps

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