The graph of a 10th-degree polynomial must cross the x-axis exactly once? True or False?

The vertex of this parabola is at (-2, 5). which of the following could be it’s equation? a. y=3(x+2)^2-5 b. y=3(x-2)^2-5 c. y=3(x+2)^2+5 d. y=3(x-2)^2+5

At which value in the domain does f(x) =0?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp