Water is poured into a bowl. The volume V of water in the bowl (in ml) after t seconds is given by the function V = 3t 2 + 4. (b) Find the rate at which the water is being poured when = 4 seconds

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36