lelliott86
27.08.2019 •
Mathematics
Given the following functions f(x) and g(x), solve (f + g)(5) and select the correct answer below:
f(x) = 8x − 13
g(x) = x − 9
a.) 23
b.) 27
c.) 31
d.) 40
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Ответ:
g(x) = x - 9
(f + g)(x) = f(x) + g(x)
f(5) = 8 · 5 - 13 = 40 - 13 = 27
g(5) = 5 - 9 = -4
(f + g)(5) = f(5) + g(5) = 27 + (-4) = 23
A.) 23
Ответ:
step-by-step explanation: do it on your own or i will make you turn naked