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Ainat [17]
3 years ago
11

Determine a and k so the given points are on the graph of the function.

Mathematics
1 answer:
pshichka [43]3 years ago
3 0

Step-by-step explanation:

Explanation:

Because

(2,6) is in the function, we can plug

6 as y

and

2 as x.

From that we get

6=a(2−1)2+k

6=a+k

Same for the next point:

12=a(3−1)2+k

12=22a+k

12=4a+k

Now we have this system of equations to solve:

a+k=6

4a+k=12

Solving it leads to the conclusion that

a=2,k=4 .

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Which represents a function?
ollegr [7]

Answer:

Only the given table represents a function. Option 1 is correct.

Step-by-step explanation:

A relation is called a function, if there exist a unique value of y for each value of x. It means for each input there exist a unique output.

A function is always a relation but all relations are not function.

In the given table for each value of x, we have unique value of y, therefore the given table represents a function.

In second relation, at x=-2, the values of y are y=10 and y=-7. For single x, there are more than one value of y, therefore the second relation is not a function.

In third relation, at x=6,  the values of y are y=-2 and y=1. For single x, there are more than one value of y, therefore the third relation is not a function.

5 0
4 years ago
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Raniyah lived in Spain and Colombia for a total of 12 months in order to learn Spanish. She learned an average of 104 words per
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Step-by-step explanation:

that means she spent 3months in Spain to learn Spanish while she spent 9months in colombia

7 0
3 years ago
Rafael counted a total of 40 white cars and yellow cars. There were nine times as many white cars as yellow cars.How many white
Alex777 [14]
You said there were 40 yellow carsso 40×9 is 360
4 0
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Will mark brainlist + 30 points .. please help asap!!
zheka24 [161]

Answer:

is 20 is your answer I believe

8 0
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Please help me I am really confused.
Feliz [49]

Answer:

f(96) = 85

Step-by-step explanation:

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