Which statement correctly describes the effect of the parabola y=x^2+2x when it is changed to y=x^2+4x? A: The parabola is translated to the right by two units.
B:The parabola is translated two units to the left and 4 units down.
C:The parabola is translated 1 unit to the left and 3 units down.
D: The parabola is vertically stretched by a factor of 2.
E: The parabola is vertically compressed by a factor of 2.

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.