From the marks given below obtained by 20 students of class 7 in mathematicsconstruct a frequency distribution table with tally marks. 14,16, 18, 12,14, ,15, 10,14,12,18, 15,14, 14,15, 16,12,14,15,15,12​

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13

when the daily mileage is greater than 40 miles, unlimited mileage plan will save you money. 40 miles is the break-even point.

step-by-step explanation: