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03-11-2015
Mathematics

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Let f(x) =-2x-7 and g(x)=-4x+3 find (f•g)(-5)

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03-11-2015

f(-5) x g(-5)

f(-5) = -2(-5) - 7
f(-5) = 10 - 7
f(-5) = 3

g(-5) = -4(-5) + 3
g(-5) = 20 + 3
g(-5) = 23

f(-5) x g(-5) = 3 x 23 = 69

Your answer is 69

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