Suppose an iphone loses 63% of its value each year. write a function that represents the value of the phone after x years.

The function which represent the phone value after x years                      f = i

Step-by-step explanation:

Given as :

The rate of depreciation of i-phone value each year = r = 63%

The initial value of i-phone = $ i

The final value of i-phone = $ f

The time period for depreciation = x year

Now, According to question

The final value of i-phone = The initial value of i-phone ×

Or, $ f = $ i ×

Or, $ f = $ i ×

Or, $ f = $ i ×

So, The function which represent the phone value after x years =                    f = i

Hence, The function which represent the phone value after x years                     f = i  Answer

A) 32.5 *but there's a typo... it's supposed to be 23.5)

Step-by-step explanation:

The area of the whole triangle is 31.5 sq. in. Then, subtracting the area of the cutout (8 sq. in.) from the triangle (31.5 sq. in.) will give you a final answer of 23.5 sq. in. I think the teacher messed up and did 32.5 instead of 23.5