Question

Solve the problem.
A jump rope held stationary by two children, one at each end, hangs in a shape that can be modeled by the equation H=0.01X^2-X+27 , where h is the height (in inches) above the ground and x is the distance (in inches) along the ground measured from the horizontal position of one end. How close to the ground is the lowest part of the rope?
a.
3.25 in.
c.
4 in.
b.
2.5 in.
d.
3 in