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06-11-2020
Mathematics

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what is the rate of change in y= 2x+3

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sembogdan sembogdan

06-11-2020

Answer:

The Answer is 2

EXPLANATION:

y(x)=2x+3

y(x+Δx)=2(x+Δx)+3

=2x+2Δx+3

Δy=y(x+Δx)−y(x)

=(2x+2Δx+3)−(2x+3)

=2Δx

⇒Δy=2Δx, Δy/Δx =2

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