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Pls answer its khan academy

Pls answer its khan academy-example-1
User Mcuadros
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1 Answer

4 votes

Answer:


f(x)=9*(5)/(3)^x

Explanation:

When x equals 0, that means a is going to be multiplied by 1 since any number to the power of 0 is 1, so
f(0)=a=9. When x equals 1, that means that
f(1) = 9b=15, so
b=(15)/(9) =(5)/(3). This means that the equation should be
f(x)=9*(5)/(3)^x.

How much energy points you have on KA? I have 3, 736,486 points.

User Telion
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