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Vilka [71]
3 years ago
5

Domain and range of the function and it’s inverse

Mathematics
1 answer:
sineoko [7]3 years ago
8 0

Answer:

B (second table in list)

Step-by-step explanation:

The function is a quadratic with vertex and y-intercept at (0,-2). The parabola opens up meaning only y - values above -2 are a part of the function. Since range is the set of all y values, then the range is y\geq -2.

The domain is not restricted and it is all real numbers.

The inverse of the function is where x and y are switched. So the range becomes the domain and vice verse.

This means the domain of the inverse is x\geq -2 and the range of the inverse is all real numbers.

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Gnesinka [82]

Step-by-step explanation:

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4 0
3 years ago
Solve the system of equations by substitution <br><br> y = 2x + 1 and 3x + y = 16
Luden [163]

Answer:  y=7,x=3

Steps:

y = 2x + 1

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Substitute y = 2x + 1

3x + 2x + 1 = 16

Simplify

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Isolate x for 5x + 1 = 16: x = 3

For y = 2x + 1

Substitute x = 3

y = 2 · 3 + 1

Simplify

y = 7

The solutions to the system of equations are:

y = 7, x = 3

Hope This Helps!

6 0
2 years ago
Triangle DEF is rotated 180 degrees about the origin to form triangle D'E'F'.What are the coordinates of the vertices of triangl
kvv77 [185]

Answer:

D

Step-by-step explanation:

8 0
2 years ago
Robert, a ninth-grader, has just been told, "The reason you’re having so much trouble with division is that you have never maste
Brums [2.3K]

Answer:

Diagnostic

Step-by-step explanation:

The teacher made a diagnostic decision relative to Roberts skill level. Before she made this decision, she first started with the process of evaluation to know his strength and also establish his weakness. With the knowledge she has gotten she now plans to him with meaningful learning and an efficient curriculum that would help him in mastering multiplication first before division.

7 0
3 years ago
3/2x-2=19 What does x equal?
dimaraw [331]
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4 0
3 years ago
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