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nekit [7.7K]
3 years ago
8

Does this set of ordered pairs represent a function? Why or why not ?

Mathematics
2 answers:
Alina [70]3 years ago
8 0

Answer:

C. Yes, because every x-value corresponds to exactly one y-value

Step-by-step explanation:

We are asked to find whether the given ordered pairs represent a function or not.

\{(-1,5),(0,-3),(2,7)(4,0),(7,5)\}

We know that a relation is a function, when each input of x value gives exactly one output of y-value.

In a function two or more x-coordinates can give same y-value, but one x-value cannot give two y-values.

We can see that in our given set each x-value corresponds to exactly one y-value, therefore, the given set represents a function.

olga_2 [115]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

there is no repeated x or y values

hope this helps :)

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Answer:

The answer is the third one, 57.4

Step-by-step explanation:

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3 years ago
Suppose a kite has two congruent angles of 100°. Of the remaining angles, one is four times larger than the other. What is the m
Pani-rosa [81]

Answer:

The measure of the largest angle in the kite is 128 degrees

Step-by-step explanation:

we know that

The sum of the interior angles in any quadrilateral must be equal to 360 degrees

A kite is a quadrilateral

Let

A,B,C and D the measure of the interior angles

so

A+B+C+D=360^o

we have that

A=B=100^o

substitute

100^o+100^o+C+D=360^o

C+D=160^o ----> equation A

Remember that

one is four times larger than the other

so

C=4D ----> equation B

substitute equation B in equation A

4D+D=160

solve for D

5D=160\\D=32^o

Find the measure of angle C

C=4(32)=128^o

therefore

The measure of the largest angle in the kite is 128 degrees

5 0
3 years ago
A box in the shape of a rectangular prism has a length of x inches, a width of 0.5x inches and a height of 2x inches. The volume
telo118 [61]

Answer:

The answer should be 44.72 inches.

Step-by-step explanation:

In order to find the height when given the volume, use the formula V=Ah

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Now, 1,000= .5x^2(h).

Take the volume and divide it by .5. This gives you 2,000.

Now the equation is 2,000=x^2 (h)

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Which are the roots of the quadratic function f(q) = q2 – 125? Select two options.
svp [43]

Answer:

5sqrt(5) = q

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f(q) = q^2 -125

To find the roots set the equation equal to zero

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125 = q^2 -125+125

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±sqrt( 25)* sqrt(5) = q

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3 years ago
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