The total cost for plumber number 1 expressed as a function of x is
c1(x)=45x+90
That is, the charge per hour times the number of hours plus the fixed charge for a visit.
Using the same pattern, write the function for the second plumber. Then set the two functions equal to each other and solve for
Answer:
rtetrt343444
Step-by-step explanation:
rewrew
2y-1.5y=2
0.5y=2
y=1
10x-5x=4
x=4/5