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Alex73 [517]
2 years ago
15

Is 3x^2-5x^4+2x-12 a polynomial

Mathematics
1 answer:
ivanzaharov [21]2 years ago
6 0

Yes it is a polynomial .

The degree of polynomial is 4 and there is no power as a fraction or negative integer

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Sandra wants to evaluate 2 cot Her work is shown below. What did she do wrong?
Rashid [163]

Answer: The first option.


Step-by-step explanation:

1. You need to remember that:

- An even function is a function with the following property:

f(-x)=f(x)

- An odd function  is a function with the following property:

f(-x)=-f(x)

2. By definition, the contangent is an odd function, therefore you have that:

cot(-θ)=-cot(θ)

Then:

2cot(-\frac{9\pi}{2})\neq2cot(\frac{9\pi}{2})

3. So, you can coclude that the first step is wrong. Therefore, the answer is the first option.



8 0
3 years ago
(please zoom / zoom out if needed to see question. (: )
Ne4ueva [31]
Its easy there are 6 sides that are equal so, 6 x 6 is 36 and thats the awnser, 36 your welcome!!!!! Hope this helps
4 0
3 years ago
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When I think of a number, double it, then add
Harman [31]

Answer:

8

Step-by-step explanation:

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= 16

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= 8

u thought of 8 ;)

4 0
3 years ago
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-4/5 + (-3/8) = what
uysha [10]

Answer:-47/40

Step-by-step explanation:

5 0
2 years ago
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For f(x) = 2x + 1 and g(x) = x ^ 2 - 7 find (fg)(x)
Lapatulllka [165]

Answer:

(fg)(x)=f(x^2-7)

=2(x^2-7)+1

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5 0
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