Answer:

Step-by-step explanation:
The vertical displacement function is
, where
is measured in meters and
in seconds. Ball hits the ground when
. That is:

Whose roots can be found by using the General Formula for Second-Order Polynomials:

Solutions of this polynomial are:

Only the first root is physically consistent.
Answer:
Y= -5.5 There is no X intercept.
Step-by-step explanation:
Please mark brainliest.
G(f(12))
f(12) = 9 - 12 = -3
g(-3) = (-3)^2 + 4 = 9 + 4 = 13
It should be 75000. I don’t know. I looked this up but I still hope this helps!
-1 and 25
have a good day!