Answer:3/4
Step-by-step explanation:
Answer:
is the 3x a expression ill comment the awnser if is
Step-by-step explanation:
In short, part A is from 1pm to 6pm, well, that's 5 hours, namely t = 5.
and part B is t = 12, so we simply plug those values in, nothing to it.

and round it up as needed if any.
5(x-5)^4(x+4)
you raise x-5 to the 4th power because 5 has a multiplicity of 4