If g(x)= +5 and h(x) = 4 – X, what is the value of (g•7)(-3)?

asked Sep 22, 2020 235k views

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For this case we have the following functions:

$g (x) = 5\\h (x) = 4-x$

We must find
(g * h) (x):

By definition, we have to:

$(g * h) (x) = g (x) * h (x)\\(g * h) (x) = 5 (4-x) = 20-5x$

Now we evaluate for -3:

(g * h) (- 3) = 20-5x = 20-5 (-3) = 20 + 15 = 35

Answer:

Mark Jones answered Sep 28, 2020

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