The graph of f(x)=2^x+1 passes through the points (-1 , 1) and (3 , 16). Rebecca wants to find the average rate of change from x = -1 to x = 3. Here is her work: 3-(-1)/16-1 = 4/15. 1) What is Rebecca's error?

2) What is the correct average rate of change?

Given this information, which expression must represent the value of b?

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.

You love to play soccer! you make a shot at the net 8 times during a game! of those 8 attempts, you score twice. what percent of the time did you score?