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If h(x) = x – 7 and g(x) = x2, which expression is equivalent (g o h)(5)
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If h(x) = x – 7 and g(x) = x2, which expression is equivalent (g o h)(5)

User Arvind Kushwaha
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(goh)(x) = (g(x))(h(x)) = (x^2)(x-7) = x^3 -7x^2
then (goh)(5) = (5^3)-7(5)^2 = 124-7(25) = 124-175 = -51
User Daniel Santana
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