charleen14 charleen14

11-10-2018
Mathematics

contestada

Suppose that the function f(x) = 7x + 2 represents the number of cars that drive by in x minutes. How many cars will drive by in 10 minutes.

A. 27
B. 70
C. 72
D. 90

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Respuesta :

seajayE seajayE

11-10-2018

C. 72 substitute x as 10 10*7 = 70 then plus 2 is 72

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daftani daftani

11-10-2018

X=10
7.10=70
70+2=72

7(10) + 2 = 72

Answer Link

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