Find dy/dx and d2y/dx2. x = 4 sin(t), y = 5 cos(t), 0 < t < 2π dy dx = correct: your answer is correct. d2y dx2 = correct: your answer is correct. for which values of t is the curve concave upward? (enter your answer using interval notation.)

The depreciation per unit for a company

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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?