Using y =4x^2 +5x -21 find the actual slope of the curve at x = 2

Angus Lee asked Oct 9, 2022

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Angus Lee asked Oct 9, 2022

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11 votes

Answer:

Explanation:

$(dy)/(dx) =4 * 2x+5=8x+5\\at ~x=2,(dy)/(dx) =8(2)+5=21\\slope~of~curve~at~x=2 =21$

JonLuca answered Oct 13, 2022

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