9 because the square root of 81 is 9
Answer:
(f◦g)(2)
Step-by-step explanation:
The rule is that f(g(x))=(f◦g)(x)
Answer:
Everyone would pay 116.66, but one of them would have to pay one cent extra!
Step-by-step explanation:
Answer:
Step-by-step explanation:
Proportional.
y = 9x
The constant is 9
we are given
speed is 850mi/h
we know that
1 mile =1609.34 metre
1 hour = 3600 second
now, we can replace 1mi and 1hour

now, we can solve it
379.98306
...........Answer