Answer:
f(t) = 15 + 160 + 1
Step-by-step explanation:
it said that t= 4 and because the t is after the 40 you would times 40 by 4 to get 160. Then you add them all up and there you go you got your velocity and speed.
Answer:
11n-9
Step-by-step explanation:
6n-4+5n-5
11n-4-5 Combine like terms
11n-9
<h3>
Answer: Choice C</h3>
Work Shown:

This matches with choice C. The imaginary 'i' term is not under the square root.