DyFind ifdx(i) x + xy + xy + y = 4

1.	DyFind ifdx(i) x + xy + xy + y = 4
Answer» Answer: Add Δx. When x increases by Δx, then y increases by Δy : y + Δy = f(x + Δx) Subtract the TWO Formulas. From: y + Δy = f(x + Δx) Subtract: y = f(x) To GET: y + Δy − y = f(x + Δx) − f(x) Simplify: Δy = f(x + Δx) − f(x) Rate of CHANGE.

Answer»

Answer:

Add Δx. When x increases by Δx, then y increases by Δy : y + Δy = f(x + Δx)

Subtract the TWO Formulas. From: y + Δy = f(x + Δx) Subtract: y = f(x) To GET: y + Δy − y = f(x + Δx) − f(x) Simplify: Δy = f(x + Δx) − f(x)

Rate of CHANGE.

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DyFind ifdx(i) x + xy + xy + y = 4​

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DyFind ifdx(i) x + xy + xy + y = 4