Question

the function f(x) = 4x + 10 models the amount of money francis makes when babysitting for x hours. how much money will he make for 2 hours of babysitting work?
a. -3
b. -2
c. 2
d. 18

Explanation:

Step1: Substitute \(x = 2\) into the function

Given \(f(x)=4x + 10\), when \(x = 2\), we have \(f(2)=4\times2+10\).

Step2: Calculate the value

First, calculate \(4\times2=8\). Then, \(8 + 10=18\).

Answer:

D. 18