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melisa1 [442]
3 years ago
15

Can someone help me out with this question?

Mathematics
1 answer:
adelina 88 [10]3 years ago
7 0
3x/4 - x/3

To simplify this, we need to first find a common denominator, or the Greatest Common Factor (GCF) of the two denominators (4 and 3).  The GCF of 3 and 4 is 12. 

Now, we have to multiply the numerator AND denominator of each individual term by the same factor such that the denominator equals 12.

So for the first term, 3x/4, we know that 12/4 = 3, therefore we need to multiply the fraction by 3/3, which is equivalent to 1.

3x/4 * 3/3 = 9x/12

Now, let's do the same for the other term x/3.  We know that 12/3 = 4, therefore we need to multiply the fraction by 4/4, which is equivalent to 1.

x/3 * 4/4 = 4x/12

Now, lets substitute these equivalent fractions back into the original expression.

3x/4 - x/3 = 9x/12 - 4x/12 = 5x/12

Thus, your answer is #4, or 5x/12
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Step-by-step explanation:

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Following PEMDAS, we multiply from left to right first.

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Dose anyone know the answer??
r-ruslan [8.4K]

In any function y = f(x) , set of all possible values of x define the domain of f(x), in the graph The curve in terms of x-axis(in 1st & 3rd quadrant) goes from -4 to -2(doesnt include -2).

So domain = [-4, -2)

Similarly, in 2nd and 4th quadrant, for x-axis

It goes from 2 to 5 (doesnt include 2 & 5)

So domain = (2, 5)

Hence,

Domain of the f(x) is [-4, -2) U (2, 5).

Range tells the possible values of y, for this function it goes from -5 to +3(doesnt include 3).

Range is [-5, 3)

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