Tara's car accelerated from 10 miles per hour to 70 miles per hour in 12 seconds. what is the approximate rate of change in the miles per hour that tara's car accelerated?
5m per hour per sec
8m per hour per sec
18m per hour per sec
48m per hour per sec

The graph below shows the price of different numbers of mats at a store: a graph is shown. the values on the x axis are 0, 2, 4, 6, 8, 10. the values on the y axis are 0, 21, 42, 63, 84, and 105. points are shown on ordered pairs 0, 0 and 2, 21 and 4, 42 and 6, 63 and 8, 84. these points are connected by a line. the label on the x axis is number of mats. the title on the y axis is price in dollars. which equation can be used to determine p, the cost of b mats?

Which of the following is the true for f(x) = 5cos

For the functions f(x) = -922 – 2x and g(x) = -32? + 6x – 9, find (f - g)(x) and (f - ).