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From compound interest to bubonic plague, things that grow or spread really fast are often modeled by exponential functions. Learn about these powerful functions (pun intended?).

If \( 3^n = 5 \) and \( 4^m = 8 \), what is the value of \[\large 9^{n+m} ? \]

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Let \[ f(x) = \left( \dfrac12 \right)^{x-5} - 64, \] and suppose that the graphs of \( y = |f(x)| \) and \( y=k \) meet in the first quadrant.

Find the number of all the positive integers \( k \) that satisfy the above condition.

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What is the sum of all possible integer values of \(x\) such that

\[ \large (x^2-55x+755)^{(x^2-62x+936 )} =1 ? \]

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Solve for \(x \):

\[ 3 = 4^x + 5^x + 6^x \]

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