Answer:
1. 81
2. 108 1/2
3. 189 1/2
Step-by-step explanation:
C is the answer you get while doing the math
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.