Answer:
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Step-by-step explanation:
Given

per hour
Required
Determine the expression for the cost in x hours
Represent the cost with y
y is calculated using the following expression

Where x represent the number of hours.
Substitute values for the base amount of bike and the additional cost per hour


<em>So, the expression to determine the cost of bike in x hours is: </em>
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Answer:
161
Step-by-step explanation: 110^2/75
The value of can never be 0
y = 0
A
D. All of the above
is the correct answer.
I hope you like this answer and have a good night and life! :D
-π/2 < arctan(x) < π/2
So cos(π/2) < cos(arctan(x)) < cos(0)
0 < cos(arctan(x)) < 1