The cost is nine hundred 77 dollars and 60 cents
<u>Part a</u>
The domain is the set of x-values, which is 
<u>Part b</u>
The range is the set of y-values, which is ![(-\infty, -2]](https://tex.z-dn.net/?f=%28-%5Cinfty%2C%20-2%5D)
<u>Part c</u>
The x-intercepts is when y=0, which there are none of.
<u>Part d</u>
The y-intercept is when x=0, which is at (0, -2).
I think 4.47 is a a rational number
Answer:
I need more explanation is there more to the question?
We can solve for x or solve for y,
for x
y+6=5x
divide both sides by 5

=x
for y
y+6=5x
minus 6 from both sides
y=5x-6