The average annual cost of heating a home woth solar energy is $200 with an inital cost of $9000. during the month of may, the solar energy outlet is offering a 25% discount off the total cost. express the discounted cost as a function of the number of years.

Discounted function will be

Step-by-step explanation:

Since we have given that

Initial cost of solar energy = $9000

Average annual cost of heating a home with solar energy = $200

Rate of discount he received on the total cost = 25%

Let the number of year will be t

According to question, we need to write a discounted cost as a function of number of years.

So, our function becomes,

Hence, discounted function will be

step-by-step explanation: