4.
The table shows values for a linear function
X=-2,-1,2,3
f(x)=-3,-1,5,7

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Solve the inequality and graph 6j - 7 < 5

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.