y = 12x + 10
Assuming that your question is multiple choice, the variables might be different.
The reason that it's represented as 12x + 10 is because there is a flat fee of $10 when you sign up. From then on afterward, every month you pay $12.
In this equation, the variable 'y' represents the total cost, while 'x' represents the number of months this service was in use.
Answer:
Step-by-step explanation:
Let <em>y</em> equal the total cost of membership.
Let <em>x</em> equal the number of months enrolled.
The resulting equation, then, is:
Hope this helps.
la respuesta es A. 3x - 3
60
rate of change of graph,df(x)/dx
=(120-0)/(3-1)=60