Is the relation a function?

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

41/17 as a decimal rounded to the nearest hundredth