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What is the rate of increase for the function f(x)=1/3(3sqr24)^2x

A.1/3

B.2 3sqr3

C.4

D. 4 3sqr9

What is the rate of increase for the function f(x)=1/3(3sqr24)^2x A.1/3 B.2 3sqr3 C-example-1
User Mfadel
by
7.3k points

2 Answers

2 votes

Answer:

D

Explanation:

Took the test

User CrazyTech
by
7.9k points
1 vote

Answer:

The correct option is D.

Explanation:

The general form of exponential function is


f(x)=ab^x ... (1)

Where a is initial value and b is rate of increase.

The given function is


f(x)=(1)/(3)(\sqrt[3]{24})^(2x)


f(x)=(1)/(3)(\sqrt[3]{2^3\cdot 3})^(2x)


f(x)=(1)/(3)(2\sqrt[3]{3})^(2x)


f(x)=(1)/(3)((2\sqrt[3]{3})^2)^(x)


f(x)=(1)/(3)(4\sqrt[3]{3^2})^(x)


f(x)=(1)/(3)(4\sqrt[3]{9})^(x) .... (2)

From (1) and (2), we get


b=4\sqrt[3]{9}

Therefore the correct option is D.

User Dropout
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