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17-06-2016
Mathematics

contestada

Given that f(x) = 2x + 5 and g(x) = x − 7, solve for f(g(x)) when x = −3.

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crisforp crisforp

17-06-2016

g(-3) = -3-7 = -10;
f(g(-3))=f(-10) = 2 x (-10) + 5 = - 20 + 5 = -15.

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