Replace all values of x as 4
f(4)=1/2(4)+5
f(4)=4/2+5
f(4)=2+5
f(4)=7
Hope I helped :)
The value of the function is the Y value where the line crosses the given X value.
When X is at -2, the line is on Y = 3
The answer would be y =3
We have the equation:

Given the slope-intercept formula for the equation of the line, we have the following:

Now, since we have that t is the number of hours the electrician spends working, the slope of the function represents the hourly rate charged.
Answer:
ray
Step-by-step explanation: