MJ is placing a 6-line ad job posting for a secretary. The following piecewise function gives the price of an x-line posting. The price of the ad is $35 if the ad is 4-lines or less. The price of the ad is $35 + 8 ( x - 4 ) if the ad is more than 4 lines. How many lines is MJ placing?
Which formula should you use based on the number of lines in the ad?
Solve using the correct formula?

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

What is the equation, in point-slope form, of the line that has a slope of 6 and passes through the point (–1, –8)? a. y+8 = 6 (x+1 )

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.