Which is the rate of change for the interval between –6 and –3 on the x-axis?
a. -2

b. -1/2

c. 1/2

d. 2

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.

Which inequality has a dashed boundary line when graphed ?

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.