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Licemer1 [7]
3 years ago
5

The function y=x^4+bx^2+8x+1 has a horizontal tangent and a point of inflection for the same value of x. What must be the value

of b? ...?
Mathematics
1 answer:
Anni [7]3 years ago
5 0

so f ' (x) = 0 and f ' ' (x) = 0 for the same x . so f '(x) = f '' (x) f ' = 4x^3 + 2bx + 8 = f '' (x) = 12x^2 + 2b


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Lincoln went to the grocery store and purchased cans of soup and frozen dinners. Each can of soup has 250 mg of sodium and each
Ludmilka [50]
We can solve with a system of equations, and use c for the amount of cans of soup and f for the amount of frozen dinners.


The first equation will represent the amount of sodium. We know the (sodium in one can times the number of cans) plus (sodium in one frozen dinner times the number of dinners) is the expression for the total sodium. We also know the total sodium is 4450, so:


250c + 550f = 4450


The second equation is to find how many of each item are purchased:


c + f = 13


Solve for c in the second equation:


c = 13 - f


Plug this in for c in the first equation:


250(13-f) + 550f = 4450


3250 - 250f + 550f = 4450


300f = 1200


f = 4


Now plug the value for f into the second equation:


c + 4 = 13


c = 9


The answer is 9 cans of soups and 4 frozen dinners.


6 0
3 years ago
Read 2 more answers
Can you please help me with this there is a pic on the top thx
Svetach [21]
It would be 1000 x 6 
 so the answer would be 6000.
hope this helped but plz help me out and put this answer as brainliest plz
6 0
3 years ago
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Pls help out need answers quick
maw [93]

Answer: answer is 8 because -5 + 1 = -4 then + 10 = 4

8 0
2 years ago
What is the volume of these rectangular prisms?​
anzhelika [568]

Volume of a rectangle prism is found by <em>multiplying length, width, and height</em>.

So:

3. 9 1/3 * 4 * 6 1/2 = 28/3 * 4 * 13/2 = 1456/6 = 242 2/3 in³

4. 2 1/2 * 5 3/4 * 8 = 5/2 * 23/4 * 8 = 920/8 = 115 yd³

5 0
3 years ago
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Help please!
Tamiku [17]
It's a parabolic curve, so quadratic is best
6 0
3 years ago
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