SOLUTION: if f(4)=0 and f(6)=6, which of the following could represent f(x)? A. 2/3x-4 B. x+2 c. x-4 D. 3x-12 could u show me how to work this out and find the answer?

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Question 135693: if f(4)=0 and f(6)=6, which of the following could represent f(x)?
A. 2/3x-4
B. x+2
c. x-4
D. 3x-12

could u show me how to work this out and find the answer?

Answer by vleith(2983)   (Show Source): You can put this solution on YOUR website!
To work this problem, substitute the given values for x into each of the 4 possible answers. Then pick the one(s) that work.
Given:
2/3x-4
= = 0 != 6. A is out
x+2
= != 0 . B is out
x-4
= 0. so far so good. = != 6. C is out
3x-12
= . so far so good. = = . D works

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