Question

9. Find the annual percent increase or decrease that y = 0.35(0.67)x models.

A. 35% decrease
B. 67% decrease
C. 33% decrease
D. 65% decrease

Answer 1

• C) 33% decrease

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Percent increase or decrease is determined by the base of the exponent in the given formula. We are given 0.67.

It can be expressed as:

• 0.67 =
• 1 - 0.33 =
• 100% - 33%

This is demonstrating us a 33% decrease.