2.) Select the relation that IS a function.
a. {(-6, -5), (3, 2), (10,8), (3, 3)}
b. {(-2, -1), (5, -1), (16,3), (-3,-9)}
c. {(5, 10), (-3, 10), (-3,-10), (4,7)}
d. {(21, 11), (21, 10), (21, 9), (21, 8)}

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.