Answer:
2nd option is correct as it has represented all the terms of the expression.
Reflection of a function

reflection of f(x) about x-axis
So
The anwser is one and two tenths
Answer:
9 mph
Step-by-step explanation:
-let x be the speed of current and t be time. The speed equation for both directions can then be represented as:

#Since t is equal in both, we can do away with t.
#We the divide the downstream equation by the upstream equation as:

Hence, the boat's speed in still water is 9 mph
5000-x is the number of dollars in the mutual fund