Answer:
the index of 2 is -1
Step-by-step explanation:

=
=
Answer: no because you get a decimal
Step-by-step explanation:
Answer: t = 3seconds
Step-by-step explanation:
To find the zero means we will equate the function to zero and then solve, that is
+ 32t + 48 = 0
by factorizing , we have
(t+1)(-16t+48) = 0
Therefore:
t = -1 or t = 3
since time can not be negative , then , t = 3 seconds
Answer:
if its answer for x its
Step-by-step explanation:
=4
=8