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Klio2033 [76]
3 years ago
14

Last one!! Help for brainliest!!

Mathematics
1 answer:
bixtya [17]3 years ago
4 0

Answer:

12x^{2}+18x-7

Step-by-step explanation:

f(g(x))=3(2x)^{2}+9(2x)-7

3(4x^{2})+18x-7

12x^{2}+18x-7

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Read 2 more answers
Kristen invests $5,000 in a bank. The bank pays 6.45% interest compounded semi-annually. How much money will she have after 2 ye
kupik [55]

Answer:  $5,676.87

Step-by-step explanation:

Hi, to answer this question we have to apply the compounded interest formula:  

A = P (1 + r/n) nt  

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A = Future value of investment (principal + interest)  

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n= number of compounding periods in each year (2)  

Replacing with the values given  

A = 5,000 (1+ 0.0645/2)^ (2x2)

A = 5,000 (1.03225)^4

A = $5,676.87

5 0
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