Question

The function f(x)=−75x+1,200
𝑓
(
𝑥
)
=
−
75
𝑥
+
1
,
200
represents the value of your cell phone x
𝑥
months after you purchase it. Identify and interpret the initial value of the function.(1 point)
Responses

The initial value of 1,200 represents the monthly cost of your phone.
The initial value of 1,200 represents the monthly cost of your phone.

The initial value of 75 represents the monthly cost of your phone.
The initial value of 75 represents the monthly cost of your phone.

The initial value of 75 represents the value of your cell phone at the time you purchase it.
The initial value of 75 represents the value of your cell phone at the time you purchase it.

The initial value of 1,200 represents the value of your cell phone at the time you purchase it.
The initial value of 1,200 represents the value of your cell phone at the time you purchase it.

Answer 1

The correct choice is: "The initial value of 1,200 represents the value of your cell phone at the time you purchase it."

Reason: f(0) = −75(0) + 1200 = 1200, so at x = 0 months (time of purchase) the phone's value is $1,200.