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Bingel [31]
3 years ago
14

Is the following relation a function? x y −1 −2 2 3 3 1 6 −2

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
6 0
Yes because no same x-valu resulted in different y-values.
Licemer1 [7]3 years ago
6 0

A function is considered a function when its plot passes the vertical line test which means no two points should lie on the same vertical line. This means no two points should have the same x. In this case, we are given with the points and see that there are no points with the same x's. This means this relation is a function
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Simplify (4n^4 - 3n^2 + n)+ (2n^4 -7n^2 + 9n). Express your answer without factoring.
Pie

Answer:

6n^4-10n^2+10n

Step-by-step explanation:

4 n^4+2n^4-3n^2-7n^2+9n+n

6n^4-10n^2+10n

4 0
3 years ago
Read 2 more answers
Choose the end behavior of the graph of each polynomial function
valentina_108 [34]

Answer:

  D, A, B

Step-by-step explanation:

The sign of the leading coefficient always tells you the end behavior on the right: positive = rises; negative = falls.

The degree of the polynomial tells you how the left- and right-end behaviors compare: even = they are the same; odd = they are opposites.

__

A) negative leading coefficient, even degree:

  • falls to the left, falls to the right (D)

__

B) positive leading coefficient, odd degree:

  • falls to the left, rises to the right (A)

__

C) negative leading coefficient, odd degree

  • rises to the left, falls to the right (B)
5 0
2 years ago
Radio tower had a special on rechargeable batteries. It sold AA for $1 and AAA for $0.75. It sold 42 batteries on a single day a
PIT_PIT [208]
AA = $1
AAA= $0.75

AA + AAA = 42

$1AA + $0.75AAA= $37

AA + AAA = 42
AA + AAA-AAA= 42- AAA
AA = 42- AAA

$1(42- AAA) + $0.75AAA= $37
$42 - AAA +0.75AAA = $37
$42 -0.25AAA= $37
$42-$42 -0.25AAA= $37 -$42
-0.25AAA= -5
-0.25AAA/-0.25 = -5/-0.25
AAA= 20

AA + AAA= 42
AA + 20 = 42
AA +20 -20 = 42-20
AA= 22

Check
$1AA + $0.75AAA= $37
$1(22)+ $0.75(20)= $37
$22 + $15 =$37
$37 = $37


5 0
3 years ago
Please help me with this!
Reil [10]

Answer:

11^5 and 11 * 11 * 11 * 11 * 11

Step-by-step explanation:

They are the same thing. Both are multiplying eleven 5 times.

5 0
3 years ago
Chandani purchased some parrots. 20% flew away and 5% died. Of the remaining, 45% were sold. Now 33 parrots remain. How many par
Paha777 [63]

Answer:

80 parrots were purchased.

Step-by-step explanation:

Let the total number of parrots be k.

If 20% (or 20/100 = 1/5) flew away and 5% (5/100 = 1/20) died, the remaining parrots will be k – (¹/₅k + ¹/₂₀k) = k – ¼k = ¾k.

Of the remaining, 45% (or 45/100 = 9/20) were sold, which means the total number of sold parrots will be ¾k × ⁹/₂₀ = ²⁷/₈₀k.

The remaining parrots = ¾k – ²⁷/₈₀k = ³³/₈₀k = 33

k = 33 × ⁸⁰/₃₃ = 80 parrots were purchased.

8 0
3 years ago
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