An online streaming service charges a monthly fee as well as a one-time sign-up fee. The cost for this online streaming service is modeled by the following function where m represents the number of months the service is subscribed to and C(m) represents the total cost given that amount of time:
C(m) = 11.99m + 7
In the above function, what is the slope?
What is the y-intercept?
How do we interpret the slope of this function? Answer choices:
A. The cost of the online subscription is $11.99 a month.
B. The cost of the online subscription is $7 a month.
C. The cost of the online subscription is $18.99 a month.
D. There is a one time fee of $11.99.
E. There is a one time fee of $7.
How do we interpret the y-intercept of this function? Answer choices:
A. The cost of the online subscription is $11.99 a month.
B. The cost of the online subscription is $7 a month.
C. There is a one time fee of $11.99.
D. There is a one time fee of $7.
E. There is a one time fee of $18.99
The slope of the function is the coefficient of m, which is 11.99.
The y-intercept of the function is the constant term, which is 7.
The slope of this function represents the monthly cost of the online subscription, so the correct interpretation is A. The cost of the online subscription is $11.99 a month.
The y-intercept of this function represents the one-time sign-up fee, so the correct interpretation is D. There is a one-time fee of $11.99.