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Which of the following expressions does not represent "four more than one-third of [tex]x[/tex]"?

A. [tex]\frac{1}{4} x + 3[/tex]
B. [tex]\frac{x}{3} + 4[/tex]
C. [tex]\frac{1}{3} x + 4[/tex]


Sagot :

To determine which expression does not represent "four more than one-third [tex]\( x \)[/tex]," let's break down what the phrase means mathematically.

The phrase "four more than one-third [tex]\( x \)[/tex]" can be written as:
[tex]\[ \frac{1}{3} x + 4 \][/tex]

Now, let's compare this expression with each of the given expressions:

1. [tex]\(\frac{1}{4} x + 3\)[/tex]
2. [tex]\(\frac{x}{3} + 4\)[/tex]
3. [tex]\(\frac{1}{3} x + 4\)[/tex]

We need to identify which of the above expressions does not match [tex]\(\frac{1}{3} x + 4\)[/tex].

### Comparing Each Expression:

1. Expression 1: [tex]\(\frac{1}{4} x + 3\)[/tex]:
- This expression has [tex]\(\frac{1}{4}\)[/tex] as the coefficient of [tex]\( x \)[/tex] and 3 as the constant term.
- Clearly, [tex]\(\frac{1}{4} x + 3 \neq \frac{1}{3} x + 4\)[/tex].

2. Expression 2: [tex]\(\frac{x}{3} + 4\)[/tex]:
- This expression has [tex]\(\frac{1}{3}\)[/tex] as the coefficient of [tex]\( x \)[/tex] and 4 as the constant term.
- We see that [tex]\(\frac{x}{3} + 4 = \frac{1}{3} x + 4\)[/tex].

3. Expression 3: [tex]\(\frac{1}{3} x + 4\)[/tex]:
- This expression exactly matches [tex]\(\frac{1}{3} x + 4\)[/tex].

From the above comparisons, it is clear that:

- The expression [tex]\(\frac{1}{4} x + 3\)[/tex] does not represent "four more than one-third [tex]\( x \)[/tex]".

Therefore, the expression that does not represent "four more than one-third [tex]\( x \)[/tex]" is:
[tex]\[ \boxed{\frac{1}{4} x + 3} \][/tex]

The position of this expression in the given list is:
[tex]\[ \boxed{0} \][/tex]