Problem

Growing linearly, the balance owed on your credit card triples from $700 to $2100 in 12 months. If the balance were growing according to the exponential function f(x)=700(1+0.096)x where x represents the number of months, what would the balance be after 12 months? Round your answer to the nearest cent.

Answer

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Answer

2102.93 is the balance after 12 months, if it were growing according to the given exponential function.

Steps

Step 1 :Substitute x=12 into the function f(x)=700(1+0.096)x to find the balance after 12 months.

Step 2 :Calculate the balance: f(12)=700(1+0.096)12=2102.9293859167524

Step 3 :Round the balance to the nearest cent: $2102.93

Step 4 :2102.93 is the balance after 12 months, if it were growing according to the given exponential function.

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