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Arturiano [62]
3 years ago
10

Show all work to factor x4-5x2+4

Mathematics
1 answer:
dezoksy [38]3 years ago
6 0

Answer:

x = 1 or -1  

x = -2 or 2

Step-by-step explanation:

x4 - 5x2 + 4 = 0

x4 - 4 x2 - x2 + 4 =0

x2 ( x2 - 4 ) - 1 ( x2 - 4 ) = 0

( x2 - 1 ) ( x2 - 4 ) =

x2 - 1 = 0         or          x2 - 4 = 0

x2 = 1                            x2 = 4

x = 1 or -1                              x = -2 or 2

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I took a photo of the question.
7nadin3 [17]

Answer:

f(f(5)) = 11

Step-by-step explanation:

f(f(5)) \\ from \: the \: table \: f(5) = 9 \\ so \: f(f(5)) = f(9) \\ also \: from \: the \: table  f(9) = 11 \\ so \: f(f(5)) = 11

I hope that is useful for you

5 0
3 years ago
From $2003$ onward, the number of daily visitors to a website increased by $200\%$ every two years. So, for example, the number
andrew-mc [135]

Answer:

2007

Step-by-step explanation:

If the number of visitors was, say, 100 people in 2003, then in 2005 that number would have gone up to 300 people, which is a 200% increase. And that number would have gone up to 900 people in 2007, which is an 800% increase.

5 0
3 years ago
9n - 15 for n = 5 help me please
MaRussiya [10]

If n = 5, then 9n = 45

45 - 15 = 30, which is the same thing as 6n


7 0
3 years ago
If g(x) = x - 3 and f(x) = 3 - x2; find f(g(-2))=
const2013 [10]

Answer:

Step-by-step explanation:

g(-2) = -2 -3 = -5

f(-5)= 3 - (-5)^2 = 3 - 25 = -22

5 0
3 years ago
How to solve this problem?
777dan777 [17]

Answer:

Can not be determined.

Step-by-step explanation:

We can easily notice that the limit is x tends to infinity, whereas x is not present in the given function, we are given (1 + 1/n). So we can not evaluate the given limit for x as parameter, we must have some function of x to solve this problem.

Hence, option C is correct i.e. the limit can not be determined.

5 0
3 years ago
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