10 and 11 please help

SecureVideo - Session - Beth F X VA MTH 110 Exam #1 - Chapters 2 + - > C A webassign.net/web/Student/Assignment-Responses/last?dep=27672353 To # 2 Update O -20 10. [-/1 Points] DETAILS TANAPMATH7 2.R.026. MY NOTES ASK YOUR TEACHE The cost and revenue functions for a certain firm are given by C(x) = 14x + 17,500 and R(x) = 21x, respectively. Find the company's break-even point. ( x, y ) = ( 11. [-/2 Points] DETAILS TANAPMATH7 2.R.030. MY NOTES ASK YOUR TEACH A company's total sales (in millions of dollars) are approximately linear as a function of time (in years). Sales in 2010 (x = 0) were $2.2 million, whereas sales in 2015 amounted to $7.2 million. (a) Find an equation giving the company's sales as a function of time. f ( x ) = (b) What were the sales in 2012? million MY NOTES ASK YOUR TEAC 12. [-/6 Points] DETAILS TANAPMATH7 2.R.031