Answer:
Step-by-step explanation:
The function is:
Find C(50) for 50 miles:
Given function:-
C(x)=0.20x+12.65
We have to find value at 50
[tex]\\ \sf\longmapsto C(50)[/tex]
[tex]\\ \sf\longmapsto 0.20(50)+12.65[/tex]
[tex]\\ \sf\longmapsto 10+12.65[/tex]
[tex]\\ \sf\longmapsto 22.65[/tex]