$f(x)=4 x^(3)+a x^(2) +bx+c$ and there is a local min at x=-1 and an inflection point at x=-2. Find the values of a and b

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Answer 1

Answer: $f'(x)=12x^2+2ax+b\n0=12\cdot(-1)^2+2a\cdot(-1)+b\n0=12-2a+b\n\nf''(x)=24x+2a\n0=24\cdot(-2)+2a\n2a=48\na=24\n\n0=12-48+b\nb=36\n\n\boxed{a=24,b=36}$

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Please help me i dont get it

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I can see your problem immediately . . . there's no question !

Since y^2 + 6y + 9 can be factored, the polynomial is not factored all the way. To factor it, try (y + 3)(y+3) or simply put, (y +3)^2. Don't forget to keep the 6y^2, so the completely factored version would be : 6y^2 (y+3)(y+3)

Estimate the sum by rounding each mixed number to the nearest half or whole number.8 1/5+ 1 7/16

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You round the 1st number to the nearest whole number which is 8. The second number is rounded to the nearest half.
So it would be 8 + 1 8/16 = 9 1/2.

I’m so tired my brain isn’t braining please help .1

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Answer:

why are you obsessed with saying your brain isn't braining in every question you ask

Step-by-step explanation:

48.6 is what percentage %? of 24.3 simplify

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48.6 is 200% of 24.3

Divide:

48.6 / 24.3 = 2

Change to percentage:

2 × 100 = 200

It has doubled so 24.3 is 100%. 100%x2=200%. It is 200% of it.

Which of the following is not part of the converse of the triangle proportionality theorem?

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converse-if a line drawn frm one side of a triangle to the other side divides the 2 sides in equal ratio then the line is parallel to the third side.

Use complete sentences to analyze the graph of the function f(x) = log 1/3 x.Part 1: Describe the domain, range, and general shape of this graph. (4 points)

Part 2: Using complete sentences, explain how plotting specific points helps graph the function and note any critical points such as its intercepts.

Answers

y = log (1/3) x
Part 1:
Domain : x ∈ ( 0, + ∞ ).
Range: y ∈ R.
General shape: The graph is decreasing.
Part 2 :
We will choose those points: x = { 1/3, 1, 3, 9 }
Ordered pairs ( for graphing the function ) are :
f ( x ) = { ( 1/3, 1 ), ( 1. 0 ), ( 3, - 1 ), ( 9, - 2 ) }.
There is no y - intercept and x - intercept is 1.

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Evaluate the summation of 2 n plus 5, from n equals 1 to 12..

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