Suppose that the function f(x)= 12x + 3 represents the number of cars that drive by in x minutes. How many cars will drive by in 7 minutes?(1 point)

Responses

252
252

36
36

22
22

87

1 answer

To find out how many cars will drive by in 7 minutes, we need to substitute x with 7 in the function f(x)= 12x + 3.

f(7) = 12(7) + 3
f(7) = 84 + 3
f(7) = 87

Therefore, 87 cars will drive by in 7 minutes.