From the table below, determine whether the data shows an exponential function. Explain why or why not.
(x): 3, 2, 1, -1
(y): 8, 2, 0.5, 0.125
A) No; the domain values are at regular intervals and the range values have a common factor 0.25.
B)
No; the domain values are not at regular intervals although the range values have a common factor.
C)
Yes; the domain values are at regular intervals and the range values have a common factor 4.
D)
Yes; the domain values are at regular intervals and the range values have a common factor 0.25.
Please explain answer.

ANSWERS

2016-04-30 19:32:36

C) Yes; the domain values are at regular intervals and the range values have a common factor of 4.

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