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klasskru [66]
3 years ago
15

How do I know if it's a function or not?

Mathematics
2 answers:
Effectus [21]3 years ago
5 0
In plain and short, a function has no x-coordinate Repeats, if there's an x-coordinate Repeat, then is not a function.

\bf \begin{array}{ccll}
x&y\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
6&3\\
8&2\\
9&0\\
\stackrel{re peat}{11}&1\\
\stackrel{re peat}{11}&2
\end{array}
Free_Kalibri [48]3 years ago
3 0
Your domain would be (6,8,9,11,11)
your range would be (3,2,0,1,2)
This is not a function because the domain 11 is paired with both the range of 1 and 2 
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19 – 5x = 9(1+x) solve
Maurinko [17]

\Large\boxed{\tt Answer:~x=\frac{5}{7} }

\tt Step-by-step~explanation:

Remember: PEMDAS - Parentheses, exponents, multiply/divide, add/subtract

Distribute: 9(1+x) = 9+9x

19 - 5x = 9 + 9x

Add 5x to both sides of the equation and subtract 9 from both sides.

19 - 5x + (5x) = 9 + 9x + (5x)

19 - (9) = 9 - (9) + 14x

10 = 14x

Divide both sides by 14 to get the variable on its own.

10/14 = 14x/14

10/14=x

5/7 = x

7 0
3 years ago
Read 2 more answers
PLS HELP ASAP FEJKRKJGR My bad dont mind the blue bubble
kondor19780726 [428]

Answer:

10

Step-by-step explanation:

yellow

6+6+3=15

so

for green

4+4+2=10

8 0
3 years ago
Read 2 more answers
Round 541,776 to the nearest hundred thousand.
wel

500,000

The nearest hundred thousand would be 500,000 and 600,000, but since 541,776 has 4 in next unit, it rounds down.

6 0
3 years ago
F is directly proportional to a.<br> If F=24 when a=8 find,<br> F when a=6
rjkz [21]

Answer:

a = 16

Step-by-step explanation:

24:8 is the ratio

simplify into 3:8

6 ÷ 3 = 2

multiply the ratio by 2 to get a=16

6 0
2 years ago
Cells B1, C1, and D1 contain the values Seat1Row1, Seat1Row2, and Seat1Row3. If cells B1, C1, and D1 were selected, and autofill
Reil [10]

Answer:

The autofilled values would be Seat1Row4, Seat1Row5, Seat1Row6

Step-by-step explanation:

Given

B1 = Seat1Row1

C1 = Seat1Row2

D1 = Seat1Row3

Required

Values of E1, F1, G1 if autofilled

Autofill in Microsoft Office Excel (Ms Excel).is used to automatically fill cells base on suggestion from previous cells.

The autofill feature of Ms Excel works data types such as numbers and alphanumeric among others.

But for autofill to work on alphanumeric in Ms Excel, only the numeric part will be altered.

In this case, the series of text in B1, C1 and D1 are Seat1Row1, Seat1Row2, Seat1Row3

"Seat1Row" will be regarded as string while 1,2,3 will be incremented and the resulting alphanumeric values will be saved in their respective cells.

Hence,

Cell E1 will be filled with Seat1Row4

F1 will be filled with Seat1Row5

G1 will be filled with Seat1Row6

See attachment

6 0
3 years ago
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