F(x)=125-(125*0.2x)
to find the value of the phone after 3 years, you put x=3.
f(3)=125-(125*0.2(3))
f(3)=50
The answers to the question is A.
Answer:

Step-by-step explanation:

(3/4)^4 = 81/256
1 ÷ 81/256 = 256/81
So;



Answer:
Step-by-step explanation:
A complex number is a number that contains a real part and an imaginary one .
Mathematical expression : a+bi xhera a and b are real numbers and i the solution of an equation like x²) -1 ..
Answer:
you cant subtract they arent the same
Step-by-step explanation:
you cant