Answer:
Correct me if I’m wrong, but the answer should be f(t) = 2 cos pi over 6 t + 4.
Step-by-step explanation:
Answer:
BRO I DONT KNOW SORY I NEED POINTS
Step-by-step explanation:
Yes if you whant look in google
first speed --- x mph
return speed -- x+16 mph
6/x + 6/(x+16) = 1
times each term by x(x+16)
6(x+16) + 6x = x(x+16)
x^2 + 4x - 96 = 0
(x-8)(x+12) = 0
x = 8 or x is a negative
her first speed was 8 mph
her return speed was 24 mph
check:
6/8 + 6/24 = 1 , that's good!