4x - 11 for x = 5 evaluate

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

What is the 12th term of b(n)=-4-2(n-1)

Select the graph of the solution. click until the correct graph appears. |x| = 3