HELP PLZ I WILL GIVE YOU 20 POINTS PLZ AND ALSO PROVIDE STEP BY STEP EXPLANATION:

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)