The constant of variation is the number that relates two variables that are directly proportional or inversely proportional to one another.
Because the amount of money varies directly with the amount of gas the constant of variation is the price per gallon
$21.87÷9 = $2.43
2.43 is the answer.
Answer:
The equation of line is define in above statement. Hope it is helpful.
Answer:
49.70
Step-by-step explanation:
commission = total sales revenue mutliplied by the commission rate.
Step-by-step explanation:
Given
The function is 
for
, we will check the values of
and 
Take 3 and 4

Similarly,

Thus, 
Also,
is 1 i.e. a constant value. So, the function is increasing linearly for the given interval.