Use a b c to find the ratio

(use picture attached to answer)

bc to ab

the ratio is:

You want to find the ratio of BC to AB. You know that the length of BC is 16 and AB is 20. So, it is 16:20.  However, you want to find the simplest form so find the greatest common factor of 16 and 20 which is 4. Divide both by 4 to get 4:5.

I'm thinking it would be 16:20 as a ratio. Simplified, this is 4:5. :) 
Hope this helps! 

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.

I’m pretty sure the answer is a