How would you write this out?

A company produces very unusual CD's for which the variable cost is $8 per CD and the fixed costs are $50000. They will sell the CD's for $83 each. Let x be the number of CD's produced.

Write the total cost as a function of the number of CD's produced.

$

Write the total revenue as a function of the number of CD's produced.

$

Write the total profit as a function of the number of CD's produced.

$

Also how would you write this out Given f(x)=|x| , after performing the following transformations: shift to the left 36 units, shrink vertically by a factor of 1/91, and shift downward 49 units, the new function

Use abs(x) for . I wrote it out as 1/91(x+36)^2-49 but it said its incorrect. So what would be the right way