Question

Write the equation for this situation: the value, v, in hundreds of dollars, of Debbie’s coin collection is 10 dollars more than 1/2 of the age, t (in years).

Then graph the equation and use the graph to determine the value of Debbie’s coin collection if it is 8 years old.

Please show all of your work

Answer 1

The value is $10 more than half the age.
In equation form, this is:
v = (1/2)t + 10



From the graph, we see that if t=8, v=14
Ans: $14