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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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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

User Frank Cheng
by
5.2k points

2 Answers

3 votes
X=10
7.10=70
70+2=72

7(10) + 2 = 72

User Shiyu
by
6.0k points
7 votes
C. 72 substitute x as 10 10*7 = 70 then plus 2 is 72
User AlexCon
by
5.3k points
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