Question
Use the arc length formula (3) to find the length of the curve $ y = 2x - 5 $, $ -1 \le x \le 3 $. Check your answer by noting that the curve is a line segment and calculating its length by the distance formula.
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The derivative of this function is $y' = 2$. Show more…
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Use the arc length formula (3) to find the length of the curve $y=3-2 x,-1 \leqslant x \leqslant 3 .$ Check your answer by noting that the curve is a line segment and calculating its length by the distance formula.
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