Question
Use the Fundamental Theorem to find the value of $b$ if the area under the graph of $f(x)=8 x$ between $x=1$ and $x=b$ is equal to 192 . Assume $b>1$.
Step 1
This area can be calculated by the definite integral of $f(x)$ from 1 to $b$. So, we set up the equation: \[\int_{1}^{b} 8x \, dx = 192\] Show more…
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