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If f(x)=x^2 g(x)=-5x h(x)=x+3

+1 vote

find the following g(h(7))?

Please show work, thanks tutor

functions

asked Jan 30, 2013 in ALGEBRA 1 by angel12 Scholar

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1 Answer

+1 vote

f(x) = x², g(x) = - 5x and h(x) = x + 3

Find g(h(7)) = ?

h(x) = x + 3

Substitute x = 7 in the function.

h(7) = 7 + 3 = 10

Then g(h(7)) = g(10)

g(x) = - 5x

Substitute x = 10 in the function.

g(10) = - 5(10) = - 50

There fore g(h(7)) = - 50

answered Jan 30, 2013 by richardson Scholar

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