a real- world context linear function given as 1. Corinne has a cell phone plan that includes 200 minutes for phone calls and unlimited texting. An additi is charged for using more than 200 minutes for phone calls. The figure below is the graph of C = f(m), is the monthly cost after m minutes used. CELL PHONE PLAN 110 rim ) 100 90 Monthly Rates (in dollars) 0 50 100 150 200 250 300 350 400 Number of Minutes Used Part A What is the minimum monthly cost for Corinne's cell phone plan? Show or explain your work. Part B What is the value of f(150). Explain its meaning in terms of the cell phone plan. Part C For what m is f (m) = 55? Explain its meaning in terms of the cell phone plan. Part D What is the cost per minute after Corinne uses her monthly allowance of 200 minutes? Show o work. ctions and Modeling - Student