When x increases from a to a + 2, y increases by a factor of 16.

for which functions is this statement true?

a)
y = 2(4)x

b)
y = 4x + 2

c)
y = 2(16)x

d)
y = 16x + 2

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?