Barry records the height of a balloon from the ground from 2 seconds after he left it go for 12 seconds. the function h(t)=|t+2|-1 models the height h over t seconds. a: What was the balloon’s height from the ground when Barry started recording the height ?

b: what was the balloons height from the ground when barry stopped recording the height

c: predict how high the balloon was when he let it go, even though he did not record the height.

d: is an absolute value function needed to model the height of the balloon from the ground?