Onsider the function y = acos(bx), where a > 0 and b > 0. Which change affects the locations of the x-intercepts of the graph? A Decrease a.
B Decrease b.
C Change the sign of a.
D Change the sign of b.

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?