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Goshia [24]
3 years ago
6

Help pls I’ll give extra points

Mathematics
1 answer:
ivolga24 [154]3 years ago
7 0

Answer:

I said, "ive been waiting here for ten minutes!"

"we're very busy today", she replied.

"how will I get home", I inquired.

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Ex 2.8<br> 3. find the maximum value of y for the curve y=x^5 -3 for -2≤x≤1
harkovskaia [24]
y=x^5-3\\ y'=5x^4\\\\ 5x^4=0\\ x=0\\ 0\in [-2,1]\\\\ y''=20x^3\\\\&#10;y''(0)=20\cdot0^3=0

The value of the second derivative for x=0 is neither positive nor negative, so you can't tell whether this point is a minimum or a maximum. You need to check the values of the first derivative around the point.
But the value of 5x^4 is always positive for x\in\mathbb{R}\setminus \{0\}. That means at x=0 there's neither minimum nor maximum.
The maximum must be then at either of the endpoints of the interval [-2,1].
The function y is increasing in its entire domain, so the maximum value is at the right endpoint of the interval.

y_{max}=y(1)=1^5-3=-2
4 0
3 years ago
Please help me ASAP !!!! Will give brainliest!!!!!!<br><br>Please Answer the image below.
JulijaS [17]

Answer:

I think it’s the first and fourth

Step-by-step explanation:

Hope this helps!!!!

3 0
4 years ago
Thor invests $750 in an account, with interest compounded continuously. If his investment doubles in value after 9 years, how mu
elixir [45]
9,000  that will be you answer or if is double will be 18,000
5 0
3 years ago
Read 2 more answers
How many solutions does 3(x + 5) – 3 = 2(3x + 1) – 3x have? Show your work.
ivanzaharov [21]

Answer: There are no solution

Step 1: Simplify both sides of the equation.

3(x+5)−3=2(3x+1)−3x

(3)(x)+(3)(5)+−3=(2)(3x)+(2)(1)+−3x(Distribute)

3x+15+−3=6x+2+−3x

(3x)+(15+−3)=(6x+−3x)+(2)(Combine Like Terms)

3x+12=3x+2

3x+12=3x+2

Step 2: Subtract 3x from both sides.

3x+12−3x=3x+2−3x

12=2

Step 3: Subtract 12 from both sides.

12−12=2−12

0=−10

4 0
3 years ago
What is the mean average of these five number [2,4,5,6,8]​
nikklg [1K]

Answer:

5

Step-by-step explanation:

Add each number up and then divide by how many numbers there are in this set (5)

2+4+5+6+8=25

25/5=5

4 0
3 years ago
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