The equation P= 21+ 2w is used to find P, the perimeter of a rectangle, using the length (1) and the width (w) of the rectangle. What is an equivalent equation solved for w?

step-by-step explanation:

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the answer would be c:   ax + b = ax + c

step-by-step explanation:

1 number

if we use a graphing calculator, there is only one such number that satisfies the conclusion of the mean value theorem, that is, a number such that

where the right-hand side is the average rate of change of f on the interval [0.5,0.75], which is the slope of the secant line.

in the attached graph, the black line is the secant line which has its slope as the average rate of change of f on [0.5,0.75], while the orange line is the only tangent line to the graph of f in the interval that satisfies the mvt conclusion.