What is the average rate of change in f(x) over the interval [4,13]?
a. 1/3
b.4/13
c. 11/13
d.11/8

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o