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kenny6666 [7]
2 years ago
10

Which function is positive for the entire interval [-3, -2]?

Mathematics
1 answer:
Aleksandr-060686 [28]2 years ago
4 0

Answer:

Answer: A function that is positive in the entire interval [-3, -2] is -x2 - 5x - 5. Let's understand the solution. Explanation: If the function is represented by a downward parabola, then the function must be quadratic and the coefficient of x2 must be negative.

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Describe the transformation from the graph of g(x) = x+2 to the graph of g(x)=x-7
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  • x+2 will be translated 2 units to the left horizontally from the origin
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Compared to the graph of x-7 , x+2 is 9 units to the left and to x+2, x-7 is 9 units to the right.

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HELP ASAP
dalvyx [7]
So,

All we have to do is multiply all three dimensions together.

First, convert all fractions into improper fractions.

3 \frac{1}{5}--\ \textgreater \  \frac{16}{5}

1 \frac{3}{4} --\ \textgreater \  \frac{7}{4}

2 \frac{1}{4} --\ \textgreater \ \frac{9}{4}

Now multiply the fractions together.

<span>\frac{16}{5}*\frac{7}{4}*\frac{9}{4}= \frac{2*2*2*2*3*3*7}{2*2*2*2*5}
</span>
\frac{3*3*7}{5}--\ \textgreater \ \frac{63}{5}\ or\ 12 \frac{3}{5}\ ft.^3

The correct option is C.
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Which is a subset of {1,2,4,5,6}
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The answer should be 4
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Which expression is equivalent to <img src="https://tex.z-dn.net/?f=%5Csqrt128x%5E%7B8%7D%20y%5E%7B3%7D%20z%5E%7B9%7D" id="TexFo
Elis [28]

Answer:

(C)8x^4z^4\sqrt{2yz}

Step-by-step explanation:

We want to determine an expression equivalent to: \sqrt{128x^8y^3z^9}

\sqrt{ab} =\sqrt{a}*\sqrt{b}

Therefore:

\sqrt{128x^8y^3z^9}=\sqrt{128}*\sqrt{x^8}*\sqrt{y^3}*\sqrt{z^9}

=\sqrt{64*2}*\sqrt{x^{4*2}}*\sqrt{y^{2+1}}*\sqrt{z^{8+1}}\\=8\sqrt{2}*\sqrt{x^{4*2}}*\sqrt{y^2*y}*\sqrt{z^{8}*z}}

=8\sqrt{2}*x^4*y \sqrt{y}*z^4\sqrt{z}\\=8*x^4*z^4*\sqrt{2}*\sqrt{y}*\sqrt{z}\\=8x^4z^4\sqrt{2yz}

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