Jayde011 Jayde011

24-02-2016
Mathematics

contestada

Given f(x)=6x - 4 and g(x)=2x3, find g(2) - f(4)

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apologiabiology apologiabiology

24-02-2016

easy, so just subsittute 2 for x and 4 for x in g(x) and f(x) respectively

so assume that in g(x) that 2x3=2x^3 then
g(2)-f(4)
2(2)^3-(6(4)-4)
2(8)-(24-4)
16-(20)
-4

the answer is -4

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