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3 years ago

11

the number of blocks had 9 in the ones place. The number in the hundreds place is one more than the numbers in the tens place. T

hose two numbers equal 11. How many blocks are there

1 answer:

Ray Of Light [21]3 years ago

4 0

659 blooooooooocks lol (:

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3 years ago

please show on graph (with x and y coordinates) state where the function x^4-36x^2 is non-negative, increasing, concave up

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Answer:

$y'' =12x^2 -72=0$

And solving we got:

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We can find the sings of the second derivate on the following intervals:

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Step-by-step explanation:

For this case we have the following function:

$y= x^4 -36x^2$

We can find the first derivate and we got:

$y' = 4x^3 -72x$

In order to find the concavity we can find the second derivate and we got:

$y'' = 12x^2 -72$

We can set up this derivate equal to 0 and we got:

$y'' =12x^2 -72=0$

And solving we got:

$x=\pm \sqrt{\frac{72}{12}} =\pm \sqrt{6}$

We can find the sings of the second derivate on the following intervals:

$(-\infty$ Concave up

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$(-\sqrt{6}$ Concave down

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2 years ago

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a reflection across the x-axis is represented by making the a-value negative.

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