Match the parametric equations with the graphs labeled I–VI. Give reasons for your choices. (Do not use a graphing device.)

(a) x − t 4 2 t 1 1, y − t 2
(b) x − t 2 2 2t, y − st
(c) x − sin 2t, y − sinst 1 sin 2td
(d) x − cos 5t, y − sin 2t
(e) x − t 1 sin 4t, y − t 2 1 cos 3t
(f) x − sin 2t 4 1 t 2 , y − cos 2t 4 1 t 2

Astore manager records the total visitors and sales, in dollars, for 10 days. the data is shown in the scatter plot. what conclusion can the store manager draw based on the data? question 3 options: an increase in sales causes a decrease in visitors. an increase in sales is correlated with a decrease in visitors. an increase in visitors is correlated with an increase in sales.

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?