Answer:
<em></em><em></em>
<em></em>
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><em></em>
always because the opposite of a positive is a negative, and the opposite of a positive is a negative. But zero is neither positive or negative, therefore is has no real opposite and is zero.
I can't write the symbol, but it would be X<30 and the <would have a horizontal line under it so that it would mean x is less than or equal to 30