The table of values below represent an exponential function. Find the constant ratio of successive y-values. x y-2 3-14.506.75110.125215.1875
Answer
A
0.5
B
3
C
1.33
D
1.5
Explanation
Divide a y-value by the preceding y-value to find the constant ratio. For example, 4.5 ÷ 3 = 1.5, and 6.75 ÷ 4.5 = 1.5. The constant ratio is 1.5, choice d.
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