Help with Hard question part 3

What is the solution of log2  (3x  -  7)  =  3? 4 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.

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr