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Nonamiya [84]
3 years ago
14

Which of the relations below is a function?

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Answer:

{(2,3), (3,4), (5,1), (6,2), (7,3)}

Step-by-step explanation:

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Find the real roots of the equation x^4-5x^2-36=0
Usimov [2.4K]
Treat x^4 as the square of p:  x^4 = p^2.

Then x^4 - 5x^2 - 36 = 0 becomes p^2 - 5p - 36 = 0.

This factors nicely, to (p-9)(p+4) = 0.  Then p = 9 and p = -4.

Equating 9 and x^2, we find that x=3 or x=-3.
Equating -4 and x^2, we see that there's no real solution.

Show that both x=3 and x=-3 are real roots of x^4 - 5x^2 - 36 = 0.
6 0
3 years ago
F(x) = 3x - 8; f(1)<br> A. 8<br> B. -5 <br> C. -8<br> D. 10
alexgriva [62]
3(1) - 8 = 3 - 8 = -5
just plug in 1 for x that's what f(1) means
6 0
3 years ago
18g + 24 write the expression in two other ways.
TiliK225 [7]
1) 6(3g+4)

2) 2(9g+12)
4 0
2 years ago
Which expression is equivalent to - 1 2/5 + 2 1/3
Ulleksa [173]

Answer:

  • C. 2 1/3 - 1 2/5

Step-by-step explanation:

Let a = - 1 2/5 and b = 2 1/3

<u>We have a + b, lets compare with the options:</u>

  • A) a + (- b) = a - b, no
  • B) a - b, no
  • C) b + a = a + b, yes
  • D) b - a, no
6 0
2 years ago
Which is the more precise measurement? *
RSB [31]

Answer:

19.775

Step-by-step explanation:

I assume your asking which number goes the most in depth to find that look for the number that has the most decimal places

6 0
3 years ago
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