40
RCMultiple Choice

Cumulative Exam — Cumulative exam

Question 40 • Mathematical Models with Applications - MA4072 CR

Find the missing value for the exponential function represented by the table below.xy-223-116.1011.271 25.5223

Answer
A
9.213
B
-7.889
C
7.889
D
8.756

Explanation

The y-values have a common ratio of 0.7: 16.10 ÷ 23 = 0.7, and 11.27 ÷ 16.10 = 0.7. Continue the pattern by multiplying 11.27 by 0.7 to get 7.889. The missing value is 7.889, choice C.

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