A company finds that if it charges xdollars for a cell
phone, it can expect to sell 1,000 - 2x phones. The
company uses the function r defined by
r(x) = x. (1,000 - 2x) to model the expected
revenue, in dollars, from selling cell phones at xdollars
each.
To the left is a graph of the revenue.
a. What do the x-intercepts mean in this situation?

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?