Mfw big chungus in real life

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

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?