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07-09-2018
Mathematics

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f(x) = −5x − 4, find f(x) when x = 5

A f(5) = 21
B f(5) = −29
C f(5) = −5
D f(5) = −24

Respuesta :

08-09-2018

f(x) = -5x - 4

substitute the value of x = 5 to the equation of the function:

f(5) = -5(5) - 4 = -25 - 4 = -29

Answer: B. f(5) = -29

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