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LekaFEV [45]
3 years ago
15

Drag each equation to the value that makes it true. b+6=15 b+6=15 4⋅b=14 4·b=14 3 2 +b=5 32+b=5 27÷b=3 27÷b=3 17.5−b=12.5 17.5-b

=12.5 b=5 b=5 b=9 b=9 b= 7 2 b=72
Mathematics
1 answer:
8_murik_8 [283]3 years ago
4 0

Answer:

b+6=15

  -6 -6

b=7

Step-by-step explanation:

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Determine the values of the constants B and C so that the function given below is differentiable.
laila [671]
For the function to be differentiable, its derivative has to exist everywhere, which means the derivative itself must be continuous. Differentiating gives

f'(x)=\begin{cases}24x^2&\text{for }x1\end{cases}

The question mark is a placeholder, and if the derivative is to be continuous, then the question mark will have the same value as the limit as x\to1 from either side.

\displaystyle\lim_{x\to1^-}f'(x)=\lim_{x\to1}24x^2=24
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So the derivative will be continuous as long as B=24

For the function to be differentiable everywhere, we need to require that f(x) is itself continuous, which means the following limits should be the same:

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So, the function should be

f(x)=\begin{cases}8x^3&\text{for }x\le1\\24x-16&\text{for }x>1\end{cases}

with derivative

f'(x)=\begin{cases}24x^2&\text{for }x
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Answer:

Step-by-step explanation:

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