Find the area under the graph of $f(x) = 2^{-3x}$ and above the graph of $f(x) = 0$ for $x$ in $[1, 9]$ by integrating. Give an exact answer. Area =
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Step 1: Write the area as a definite integral: Area = ∫_{1}^{9} 2^{-3x} dx. Show more…
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