If h (x) = x-7 and g (x) = x^2, which expression is equivalent to (g*h) (5)

Question

Mathematics

Virginia

20 December, 08:12

If h (x) = x-7 and g (x) = x^2, which expression is equivalent to (g*h) (5)

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Answers (1)

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Edsel · Answer 1

If you would like to find the equivalent expression to (g*h) (5), you can do this using the following steps:

h (x) = x - 7

g (x) = x^2

(g*h) (x) = g (h (x)) = g (x - 7) = (x - 7) ^2

(g*h) (5) = g (h (5)) = g (5 - 7) = (5 - 7) ^2 = (-2) ^2 = 4

The correct result would be (5 - 7) ^2.