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Contact [7]
3 years ago
14

Each whole number from 0 to 9 is paired with its opposite. is this a function or not

Mathematics
1 answer:
dimaraw [331]3 years ago
8 0
A function has the property that each element of the domain maps to only one element. For example, if there's ever the case where a relation includes point (1,2) and (1,3) then that relation is not a function. So for each case write down all the points as described. If one point in the domain ever maps to two different points, then it's not a function
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Please help me as soon as possible
Anika [276]

Answer:

A

Step-by-step explanation:

A is the correct answer

5 0
3 years ago
Can someone please help me ASAP
charle [14.2K]

Answer:

(4,12)

(-1,-3)

Step-by-step explanation:

x^2 - y = 4

y = 3x

Use substitution.  Substitute 3x for y in the first equation

x^2 - (3x) = 4

x^2 -3x =4

Subtract 4 from each side

x^2 -3x -4 = 4-4

x^2 -3x-4 =0

Factor

(x-4) (x+1) =0

Using the zero product property

x-4 =0  x+1 =0

x=4   x=-1

Now to find y for each x solution

x=4

y =3x = 3(4) =12

(4,12)

x=-1

y =3x = 3(-1) =-3

(-1,-3)

4 0
3 years ago
How much interest is earned on $210 at 8% for 2 years?<br> $3.60<br> $360<br> $410<br> $33.60
oksano4ka [1.4K]
You would earn $33.60 of interest



Explanation: To find the interest you would multiply 210 by .08 (the percent in its decimal form) by 2 to get 33.60
8 0
3 years ago
Read 2 more answers
At how many points does the graph of the function below intersect the x<br> axis?<br> y= 16x2 - 8x+1
Radda [10]
Y= 16x2 - 8x+1 does not intersect the c axis. It only peaks at it. The parabola does not go over it.
5 0
2 years ago
Read 2 more answers
Pls help extra points and mark brainlist
dusya [7]

Answer:

the value after solving = 16

Step-by-step explanation:

=》8 + (8/1^4) =》8 + 8 ( since 1^4 = 1 )

=》16

4 0
3 years ago
Read 2 more answers
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