Which relation represents a function? a. { (0,0, (2,3), (2,5), (6,6) } b. { (3,5), (8,4), (10,11), (10,6) } c. { (-2,2), (0,2), (7,2), (11,2) } d. { (13,2), (13,3), (13,4) (13,5) }
A company's monthly profit increases by $1,000 each month. In January, the profit of the company was $25,000. If x = 0 represents January, which of the following equations represents the profit as a function of time (in months) ?
A. y = 25,000x + 1,000
B. y = 1,000x
C. y = 1,000x - 25,000
D. y = 1,000x + 25,000
