(2, 5), (4, 9), (6, 13)Which of the following describes what to do to the first number in each ordered pair shown above to obtain the corresponding second number?
A)Add 3
B)Subtract 3
C)Multiply by 2
D)Multiply by 2 and subtract 1
E)Multiply by 2 and add 1

Question

Quizplus · Accepted Answer

To obtain the second number from the first number in each ordered pair, multiply the first number by 2 and then add 1. For example, for (2, 5): 2*2 + 1 = 5; for (4, 9): 4*2 + 1 = 9; for (6, 13): 6*2 + 1 = 13.

(2, 5), (4, 9), (6, 13)Which of the Following Describes