C4leomaideTiman C4leomaideTiman

21-10-2016
SAT

Answered

Let f(x) = x^2 - 2x. What is the value of f(2)?

A.

0

B.

2

C.

4

D.

8

E.

16

Verified Answer :

21-10-2016

This is stating that, if x was 2, what is the answer to the equation.
So basically, the equation is 2^2 - 2(2) = ?
The first step is 2 squared, which is 4, then you subtract 2(2) or 4. So 4-4 is 0.
The value of f(2) is 0
A would be correct.

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lateralligator lateralligator

21-10-2016

A: 0 because if you replace all the x's with 2 you would have 2^2-2*2 which equals 4-4=0

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