Y = 5x^2 - 10
what is the rate of change ?
is the function linear or non linear ? why ?

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Is there an x intercept in the equation 60*1.15^x