A lawn care company uses the formula c(h)= 9h+15 to find the cost c to perform services for h hours. a) Explain what the numbers 15 and 9 represent in context.

b) What does c(3)=42 mean?

c) Is the statement c(2)> c(5) true? Why or why not?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling