Which of the following is a proportion? 2/5=4/25 4/6=6/9 4/3=6/8 5/6=10/18

4/6 = 6/9 would be a proportion.by definition a proportion is an equality of ratios, meaning when both fractions are in simplest form they should equal each other.4/6 simplifies to 2/36/9 simplifies to 2/3therefore, this equation would be a proportion.

4/6 is the answer for the question

Answer

1 number

explanation

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.

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