Which equation represents a direct variation? A. y - 4x = 8
B. y +2 = 72
C. y - 3x = 0
D. y= 5x - 2

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone. which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Which ahows the graph of the solution set of 6x+4y< 12