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4 years ago

I would greatly appreciate it if you would help me

Mathematics

1 answer:

mylen [45]4 years ago

7 0

Answer:-1

Step-by-step explanation:

the output of a function is the y value while the input is the x value.

so the question is asking what does the y value( output) have to be for the x value( input) to be zero.

since the graph is provided we can just look to see where the x values becomes zero ( the y axis is when all y values are zero)

we then can identify that the y intercept is -1

hope this helps!!

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Determine if the relation below is a function and state the domain and range.

LUCKY_DIMON [66]

Answer:

Please check the explanation.

Step-by-step explanation:

Given the relation

{(1, -2), (-2, 0), (-1, 2), (1, 3)}

Please note that there is a repetition of x-values.

i.e. x=1 appears twice times.

This relation does not define a function because every x-value should have been unique and is associated with only one value of y.

Here, the x-values are repeated. Hence, this relation is not a function.

Finding the Domain of a relation:

We know that the domain is the complete set of all first elements of ordered pairs often called x-coordinates.

Domain of a relation: {-1, -2, 1}

Note: Domain is in ascending order and repeated elements are written only once.

Finding the Range of a relation:

We know that the domain is the complete set of all second elements of ordered pairs often called y-coordinates.

Range of a relation: {-2, 2, 3}

Note: Range is in ascending order and repeated elements are written only once.

7 0

3 years ago

A company makes steel rods shaped like cylinders. Each rod has a radius of 2 centimeters and height of 70 centimeters. How much

lakkis [162]

Answer:

213,645.6cm³

Step-by-step explanation:

Area of a cylinder is expressed as;

V = πr²h

r is the radius = 2cm

h is the height = 70cm

Get the volume of one rod;

V = πr²h

V = (3.14)(2)²(70)

V = (3.14)(4)(70)

V = 879.2cm³

one steel = 879.2cm³

243 rods = x

Cross multiply;

x = 879.2 * 243

x = 213,645.6

The company will need 213,645.6cm³ volume of steel to make 243 rods

5 0

3 years ago

Rewrite in simplified exponential notation Helppp

xxMikexx [17]

Answer:

1/4096

Step-by-step explanation:

A negative exponent becomes a fraction. 4*3=12. 2^12=4096, so since it's a negative exponent you put it as a fraction. So it's 1/4096.

8 0

3 years ago

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I will give brainlestpl help me

ehidna [41]

5+5=100000 ppppppppppppo

4 0

3 years ago

I’m horrible at geometry, help please?

Korvikt [17]

Answer:

Longest side = 13 inches

Step-by-step explanation:

Perimeter of triangle = 30 inches

x + 4x - 8 + 2x +3 = 30

x + 4x + 2x - 8 + 3 = 30

7x - 5 = 30

7x = 30 + 5

7x = 35

x = 35/7

x = 5

Longest side is the hypotenuse.

Longest side = 2x + 3 = 2*5 + 3 = 10 + 3 = 13 inches

4 0

4 years ago

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