Find the length of the segment of the line with equation y = 5x – 2 between x = 3 and x = 4. Give your answer to 1 dp.

Ddcruver asked Feb 1, 2023

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Ddcruver asked Feb 1, 2023

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18 votes

Answer:

5.1 units

Explanation:

$f(x)=5x-2\\f(3)=5(3)-2=13\\f(4)=5(4)-2=18$

$\Delta x=1 unit=a\\\Delta y=5 units=b\\a^2+b^2=c^2\\(1)^2+(5)^2=c^2\\\sqrt26=c\\c=5.1 units$

Dinu Nicolae answered Feb 7, 2023

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