1. Mrs. Wendt called Drano Plumbing Company to fix a leak. Their fee is $35 for the service call, and $42 per hour.
a) Build a table.
b) Write an equation for the amount she would pay for ‘x’ hours:

c) Write and solve an equation to find out how long they worked if her bill was $140.
Equation:
Solution:

the equation is 140÷42 and the answer is 4

6 on both sides and twelve on the top and the bottom

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb