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harina [27]
1 year ago
15

Which of the following graphs represents a function?

Mathematics
2 answers:
kirza4 [7]1 year ago
8 0

The third graph represents a function.

In a function, every input (x value) has <em>exactly</em> one output (y value). If even a single input has zero or two outputs, the graph does not represent a function.

A good way of testing this is using a vertical line. As you move a vertical line from left to right across a graph, it should always be touching exactly one point on the graphed line.

In this case, every graph fails this vertical line test except for the third graph, so the third graph represents a function.

coldgirl [10]1 year ago
8 0

The graph that represents a function is the 3rd one.

Use the vertical line test to determine whether or not a graph represents a function. If a vertical line is moved across the graph and, touches the graph at only one point, then the graph is a function. If the vertical line touches the graph at more than one point, then the graph is not a function.

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Solve this to help me
Mrac [35]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
The volume of Pyramid A is 704 cm3 and the volume of Pyramid B is 297 cm3. If the pyramids are similar and the surface area of P
SIZIF [17.4K]

Answer:

272 cm²

Step-by-step explanation:

Step 1

We have to find the scale factor

When given the volume of two solids, the formula for the scale factor is

V1/V2 = (Scale factor)³

The volume of Pyramid A is 704 cm³ and the volume of Pyramid B is 297 cm³

V1 = Pyramid A

V2 = Pyramid B

704/297 = (scale factor)³

We simplify the left hand side to simplest fraction

The greatest common factor of 704 and 297 = 11

704÷11/297÷11 = (scale factor)³

64/27 = (scale factor)³

We cube root both sides

cube root(scale factor)³ = cube root (64/27)

scale factor = (4/3)

Step 2

(Scale factor)² = S1/S2

S1 = Surface area of Pyramid A =?

S2 = Surface area of Pyramid B = 153 cm²

Hence,

(4/3)² = S1/153

16/9 = S1/153

Cross Multiply

S1 × 9 = 16 × 153

S1 = 16 × 153/9

S1 = 272 cm²

Therefore, the Surface Area of Pyramid A = 272 cm²

4 0
3 years ago
If 3/7 of Z is 42, what is 5/7 of Z?
Anastasy [175]

Answer:

x = 70

Step-by-step explanation:

First to make the equation easy, divide 42 by 3 to get what 1/7 of Z equals.

42 / 3 = 14

Now to get 5/7 of Z, just multiply 14 by 5.

14 x 5 = 70

x = 70

Hope this helped.

3 0
3 years ago
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SpyIntel [72]

Answer:

Factor

Step-by-step explanation:

A factor is a number that is being multiplied.

A quotient is a number obtained by division.

A product is a number obtained by multiplication.

A coefficient is a number in front of a variable (2x).

6 0
3 years ago
Read 2 more answers
Slope of -1 and it passes through the origin
Elodia [21]

Answer:

Step-by-step explanation:

The slope of negative one means it is the opposite of a positive graph and the overall value is decreasing. The origin is (0,0)

3 0
3 years ago
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