With this

you have a $20 bill. you and your friend ordered two roast beef wraps, one soup, one fries, and two coffees. if the tax is 5% and the tip is 15%, what change did you receive back from the $20?

the cost of the meal added up is 14.55 how do i add the tax and tip?

overpriced

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.