A company that sells cellular phones has a cost of 4x + 10 dollars and a revenue of x2+5x+6 dollars, where x represents the number of cell phones sold per week. If Profit = Revenue - Cost, find the company's profit.

A) x^2+x−4

B) x^2+2x−4

C) x^2−x+4

D.) x^2−2x+4