1. The cost of an appliance whose purchase price is $600 and annual hydro cost is given by C(n)= 600+115n/n, where C is the annual cost, in dollars, and n is the number of years. a. When will the...

1. The cost of an appliance whose purchase price is $600 and annual hydro cost is given by C(n)= 600+115n/n, where C is the annual cost, in dollars, and n is the number of years.

a. When will the annual cost of the appliance be $200?

b. As n becomes very large, what happens to C? Justify your answer

2. Determine all values of x for which 0<=><=7 (include="" graph="" and="" intervals="">

*in the above question its x2 is x square of 2