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Question

# Suppose an amount P is invested at an interest rate r and A is the amount after t years.(a) Write an expression for $A$ if the interest is compounded $n$ times per year.(b) Write an expression for $A$ if the interest is compounded continuously.

Solution

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To graph the function $f(x)=3+\log_{5}\left(x+4\right)$, evaluate it for the different values of $x$ and use these values to sketch the graph.

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$x$ $f(x)$
-3 3
1 4
6 4.4
10 4.6
21 5

To sketch the graph of a function, plot the obtained points. ## Recommended textbook solutions #### Beginning and Intermediate Algebra

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