Is the following relation a function {(2.-3),(-3,2),(2,3),(-2,3)}

What is sin 7x/4 ? i need on this urgent trig

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?

Select the number of ways in which a line and a circle can intersect