In which function is x = 2 mapped to 32?

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.

Is the figure congruent? yes or no?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4