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Trava [24]
3 years ago
12

What is the solution to the following system of equations?

Mathematics
1 answer:
Tanya [424]3 years ago
3 0
Y=6x-11
-2x-3y=-7

Take "6x-11" and insert it where it says 3y. Now you have:

-2x-3(6x-11)=-7

Use distributive property (-3 × 6x) ( -3 × -11). Now you have:

-2x-18x+33=-7

Combine like terms. (-2x + -18x). Now you have:

-20x+33=-7

Subtract 33 from both sides (33-33 and -7-33). Now you have:

-20x=-40

Divide -20 from both sides (-20x/20 and -40/-20). Now you have:


Answer: x= 2
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The graph of a function f is given. Use the graph to estimate the following. (Enter your answers using interval notation.)
kirill [66]

Using the graph and function concepts, it is found that:

a) The domain is [-5,4], while the range is [-2,-5]

b) The function is increasing in [0,1] and [2,3], and decreasing [-5,0], [1,2], and [3,4].

--------------------

  • The domain of a function is given by it's input values, that is, the values of x, the horizontal axis on the <em>graph</em>.
  • The range of a function is given by it's output values, that is, the values of y, the vertical axis on the <em>graph</em>.
  • If the <em>graph </em>is pointing upwards, the function increases.
  • If the <em>graph </em>is pointing downwards, the function decreases.

--------------------

Item a:

  • On the graph, the x-values are from -5 to 4, thus the domain is: [-5,4]
  • The y-values are from -2 to -5, thus, the range is: [-2,-5]

--------------------

Item b:

  • On the graph, it is pointing upwards on the following intervals, for x-values: From 0 to 1, and from 2 to 3, thus, the function is increasing in [0,1] and [2,3].
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A similar problem is given at brainly.com/question/10891721

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