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15-07-2019
Mathematics

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Evaluate the function rule for the given value. y = 15 • 3^x for x = –3

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wegnerkolmp2741o wegnerkolmp2741o

15-07-2019

Answer:

5/9

Step-by-step explanation:

y = 15 • 3^x

Let x = -3

y = 15 • 3^(-3)

The negative means the exponent goes to the denominator

y = 15 * 1/3^3

= 15 * 1/27

=15/27

Divide the top and bottom by 3

=5/9

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