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Allisa [31]
4 years ago
9

F(x)=2x^3-9x^2+12x-3 find the intervals on which f is increasing or decreasing

Mathematics
1 answer:
Drupady [299]4 years ago
5 0
F'(x) = 6x^2 - 18x + 12

= 6(x^2 - 3x + 2)

= 6(x - 2)(x - 1) = 0   at turning points
at turning points  x = 1 and x = 2

f''(x) = 12x - 18  

so when x = 1 f''(x) <0  (maximum) and  when x = 2  f''(x) > 0 (minimum)



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<img src="https://tex.z-dn.net/?f=5x%20%7B%7D%5E%7B2%7D%20%5Cdiv%20%5Csqrt%7B2%20%7D%20%3D%20164" id="TexFormula1" title="5x {}^
umka2103 [35]

Answer:

The short answer is : x=6.81

Step-by-step explanation:

First thing to do is multiply in\sqrt{2}

<h3>To Until it become :</h3>

5x {} ^{2} =164 * \sqrt {2}

Now we will divided on 5 and calculate the numper to it equal 46.3

Then you will take square root To the two parties

To equal in the end =6.81

6 0
3 years ago
How to find the area of this figure
stiv31 [10]

Answer:

45 square units.

Step-by-step explanation:

Applying the pythagoras theorem:

Base of the bigger triangle = \sqrt{15^2 - 9^2} = \sqrt{144} = 12 units

Area of a triangle is given by \frac{1}{2} × base × height

The area of the bigger triangle is  \frac{1}{2} × 12 × 9 = 54 square units.

The area of the smallest triangle is  \frac{1}{2} × (12 - 10) × 9 = 9 square units.

The area of the figure( required triangle) is 54 - 9 = 45 square units.

3 0
3 years ago
if 2 more students took the math test and both made a score of , what would the picture graph look like?
Sindrei [870]
I think it would be a dot graph
3 0
4 years ago
Read 2 more answers
4 cups servers 12 people how many cups server 4 people
zloy xaker [14]
Your answer should be 3/4 a cup
7 0
3 years ago
Simplify each expression using order of operations. (the one that’s circled)
Zepler [3.9K]

Answer:

18

Step-by-step explanation:

1. 6x6=36

2. 8+36=44

3. 44/11=4

4. 7x2=14

5. 4+14=18

5 0
3 years ago
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