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vfiekz [6]
3 years ago
7

PLZZZ HELP DUE IN 5 MINS

Mathematics
1 answer:
iris [78.8K]3 years ago
4 0

Answer:

{(2, 9), (5, 9), (1, -6), (-5, 5), (2,9), (5,9), (1,−6), (−5,5)}

Step-by-step explanation:

recall that for a function to be valid, every input must give one and only 1 output. (i.e every x-ordinate must have only one unique corresponding y-ordinate)

I have highlighted in bold and underlined the entries for each of the other choices where an x-value gives more than one possible y-value, hence these are not functions. only the first option satisfies this condition:

{(2, 9), (5, 9), (1, -6), (-5, 5), (2,9), (5,9), (1,−6), (−5,5)} Every x-value has a unique y-value, so it is possible that this is a function.

{<em><u>(6, 6)</u></em>, <em><u>(6, 8)</u></em>, (-8, -7), (-3, -8), (6,6),(6,8),(−8,−7),(−3,−8)}  (not a function)

{(1, 8), (9, -3), <u><em>(7, -4)</em></u>, <u><em>(7, -6)</em></u>, (1,8),(9,−3),(7,−4),(7,−6)} (not a function)

{<u><em>(-5, -1)</em></u>, (-3, -7), <u><em>(-5, 3)</em></u>, (-7, -4), (−5,−1),(−3,−7),(−5,3),(−7,−4)} (not a function)

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2 years ago
Given: a triangle with sides 40 feet, 50 feet, and 60 feet. On a drawing, 1 inch = 10 feet. How long are the sides of the triang
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4 0
3 years ago
Read 2 more answers
A certain forest covers an area of 1900km^2. Suppose that each year this area decreases by 7.75%. What will the area be after 14
yarga [219]

Answer:

Assume that 1900km^2 is 1900.

If that happens, The equation of that will look like...

1900 - (1900 x 7.75% x 14)%.

1900 x 7.75% are 147.25.

and 147.25 x 14 are 2061.5.

so... there will be no forest after 14 years.(harsh)

Hope it helps!

8 0
3 years ago
If you substitute a number into the function or if you use synthetic division and get a remainder of 0, list at least two conclu
kolbaska11 [484]

Answer:

1) Divisor is the factor of given dividend function.

2) the degree of divisor is less than equals to the degree of dividend function.

Step-by-step explanation:

Given that If you substitute a number into the function or if you use synthetic division and get a remainder of 0, then we have to list at least two conclusion from the result.

As we know, the remainder turns out to be 0 if divisor is the factor of the given dividend function which is also stated by the remainder and factors theorem.

Therefore, the two conclusion are

1) Divisor is the factor of given dividend function.

2) the degree of divisor is less than equals to the degree of dividend function.

8 0
3 years ago
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