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pav-90 [236]
3 years ago
8

Which equation is not a function?

Mathematics
1 answer:
Vaselesa [24]3 years ago
3 0

D if I’m not mistaken

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Given 3x^2+x-4/x-1 what are the domain and range
Katarina [22]

Answer:

  • doman: x ≠ 1
  • range: y ≠ 7

Step-by-step explanation:

The domain is the horizontal extent of the graph, the set of x-values for which the function is defined. The range is the vertical extent of the graph, the set of y-values defined by the function.

<h3>Simplified</h3>

The given function is undefined where its denominator is zero, at x=1. Everywhere else, it can be simplified to ...

  \dfrac{3x^2+x-4}{x-1}=\dfrac{(x-1)(3x+4)}{(x-1)}=3x+4\quad x\ne 1

<h3>Domain</h3>

The simplified function (3x+4) is defined for all values of x except x=1. The simplest description is ...

  x ≠ 1

In interval notation, this is ...

  (-∞, 1) ∪ (1, ∞)

<h3>Range</h3>

The simplified function is capable of producing all values of y except the one corresponding to x=1: 3(1)+4 = 7. The simplest description is ...

  y ≠ 7

In interval notation, this is ...

  (-∞, 7) ∪ (7, ∞)

6 0
2 years ago
The tables represent two linear functions in a system.<br><br> What is the solution to this system?
Darya [45]

The solution to this system is (x, y) = (8, -22).

The y-values get closer together by 2 units for each 2-unit increase in x. The difference at x=2 is 6, so we expect the difference in y-values to be zero when we increase x by 6 (from 2 to 8).

You can extend each table after the same pattern.

In table 1, x-values increase by 2 and y-values decrease by 8.

In table 2, x-values increase by 2 and y-values decrease by 6.

The attachment shows the tables extended to x=10. We note that the y-values are the same (-22) for x=8 (as we predicted above). That means the solution is ...

... (x, y) = (8, -22)

8 0
3 years ago
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Find the solution to the system of equations.<br> x + y + z = 11<br> y + z = 12<br> Z= 8
Brrunno [24]
The answer is (A. x =-1, y=4, z=8)
7 0
3 years ago
Solve the systems equations for x and y and check:<br> y=2x+10<br> x=3y
andriy [413]
For Y=2x+10 X=y/2 -5. Second x/3
6 0
3 years ago
A poodle puppy weighs 1.5 kg when it is born and gains 0.04 kg each day.
Doss [256]

Answer:

down below

Step-by-step explanation:

you need to find the greatest common multiple

sorry, i am really tired rn and can't solve it

but maybe one of the dogs becomes anorexic and then they will never weigh the same?

4 0
3 years ago
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