The average rate of change of the function between x = 15 to x = 29 is m/s2 and represents the car's acceleration. (5 points)

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4