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ki77a [65]
3 years ago
14

1 Select all relations that are functions from the choices below

Mathematics
1 answer:
Daniel [21]3 years ago
7 0

Answer:

Option (D).

Step-by-step explanation:

If the graph of a relation has two output values for a single input value, relation will not be considered to be a function.

Option (A).

For the input values of x = -1, there are two output values, y = -1, 1.

Therefore, given relation is not a function.

Option (B).

Since, all the parabolas don't represent a function, given parabola in the graph is not a function.

Option (C).

Not a function. It's a relation.

Option (D).

Line plotted in the graph has a distinct output value for every input value.

Therefore, the given graph represents a linear function.

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Please helpppp!!!!!!!
Naddika [18.5K]

X=180-57-57=66

<em>Dababy sus</em>

8 0
3 years ago
What is the area of a regular hexagon (6 sides) whose
Ganezh [65]

Step-by-step explanation:

With reference to the regular hexagon, from the image above we can see that it is formed by six triangles whose sides are two circle's radii and the hexagon's side. The angle of each of these triangles' vertex that is in the circle center is equal to 360∘6=60∘ and so must be the two other angles formed with the triangle's base to each one of the radii: so these triangles are equilateral.

The apothem divides equally each one of the equilateral triangles in two right triangles whose sides are circle's radius, apothem and half of the hexagon's side. Since the apothem forms a right angle with the hexagon's side and since the hexagon's side forms 60∘ with a circle's radius with an endpoint in common with the hexagon's side, we can determine the side in this fashion:

tan60∘=opposed cathetusadjacent cathetus => √3=Apothemside2 => side=(2√3)Apothem

As already mentioned the area of the regular hexagon is formed by the area of 6 equilateral triangles (for each of these triangle's the base is a hexagon's side and the apothem functions as height) or:

Shexagon=6⋅S△=6(base)(height)2=3(2√3)Apothem⋅Apothem=(6√3)(Apothem)2

=> Shexagon=6×62√3=216

8 0
2 years ago
The model represents an equation what value of X makes the equation true​
Tanya [424]

Answer:

A Solution is a value we can put in place of a variable (such as x) that makes the equation true.

Step-by-step explanation:

3 0
3 years ago
Find the coordinates of midpoint e. Please help
Sedaia [141]

Answer:

(-2a, -2b)

Step-by-step explanation:

(\frac{-3a+(-a)}{2},\frac{b+(-5b)}{2})

(\frac{-4a}{2},\frac{-4b}{2})

(-2a,-2b)

3 0
3 years ago
If a nonlinear system of equations contains one linear function that never touches the quadratic function, then the system has w
aivan3 [116]

A nonlinear system of equation is a system of equation that has at list one nonlinear equation

A nonlinear system of equations that has one linear function that never intersects the quadratic function has; <u>No solution</u>

<u />

The reason the option selected for the number of solutions is correct is as follows;

Required:

The number of solutions a system of nonlinear equations that do not intersect have

Solution:

The given system of equation is presented as follows;

Linear function: f(x) = m·x + c

Quadratic function: f(x) = a·x² + b·x + c

Given that the linear function never touches the quadratic function, we have;

a·x² + b·x + c ≠ m·x + c

Therefore, the equations are never equal hand they have no common solution

Therefore, the correct option is <u>No solution</u>

<u />

Learn more about nonlinear system of equations here:

brainly.com/question/11650202

brainly.com/question/10571443

<u />

8 0
2 years ago
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