Consider this graph of a line that passes through the points (0,0) and (5, 30).
Phone Call Payment Plan
40
30
Cost of Call (cents)
20
10
0
1 2 3 4 5
Number of Minutes
Which equation represents the cost of a phone call, c, in cents, after m
minutes, according to the payment plan?

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

The price of a particular stock is represented by the linear equation , where x represents the number of weeks the stock has been owned and y represents the price of the stock, in dollars. if this relationship continues, what is the price of the stock after it has been owned for 12 weeks? $92.55 $94.37 $100.52 $114.39

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left