Which of the following characteristics best describes the given function of f(x) =3x^2

Kelly is three years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister?

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?