*no spam or irrelevant answers will be tolerated* If a/(4-a) = b/(4-b) = c/(4-c) then find the value of 1/(4-a) + 1/(4-b) + 1/(4-c).​

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step-by-step explanation:

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4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

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.