I need help The black line is the graph of y = x. Which of these equations could represent the blue line?

Use the distributive law to multiply. 3(4x + 5y + 6)

Witch represents the inverse of the function f(x)=1/4x-12

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?