9

Set 6: Exponential Functions

Explanation

Answer: B

A stock price grows by 10% per year. Which factor represents this growth?

A.

0.10

B.

1.10

✓ Correct
C.

10

D.

0.90

Detailed Explanation

Choice B is correct. Choice B is the correct answer. Growth factor is 1+r1+ r. 1. Identify Rate: r=0.10r = 0.10. 2. Calculate Factor: b=1+0.10=1.10b = 1 + 0.10 = 1.10. Strategic Tip: Growth means >1> 1. Decay means <1< 1. Choice A is incorrect because it is the rate. Choice D is incorrect because it represents 10% decay.

Key Steps:

The correct answer is 1.10

Why others are wrong:
A: Choice A is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.
D: Choice D is incorrect and may result from a calculation error.

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