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vladimir2022 [97]
3 years ago
5

Express the series in summation notation. 2 + 4 + 6 + 8 + 10 + 12

Mathematics
1 answer:
lys-0071 [83]3 years ago
7 0
Summation of 2i from i = 1 to i = 6

<span>\sum_{i=1}^{6} 2i</span>
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What are the domain and range of this function? y= (x+3)² - 5
Katarina [22]

Hello!

\bf y = ( x + 3 )^{2} - 5

- Separate the function into parts to determine the domain of each part.

\bf ( x + 3 )^{2} \\ x + 3 \\ 5

- The domain of a polynomial function is the set of all real numbers.

\bf x ∈ ℝ

Domain: ( -∞; ∞ )

\bf y = ( x + 3 )^{2} - 5

- Write the second degree function in standard form.

\bf y = x^{2} + 6x + 4

- Identifies the coefficients a and b of the second degree function.

\bf a = 1, b = 6

- Find the x coordinate of the vertex by substituting a = 1 and b = 6 in x = -b / 2a.

\bf x = -\frac{6}{2×1}

\bf x = -\frac{6}{2}

\bf x = -3

- Calculates the value of the function for x = -3.

\bf y = ( x + 3 )^{2} - 5

\bf y = -5

Range: ( -3; -5 )

Answer: No answer

Good luck! :)

3 0
3 years ago
If the parent function is y = 3x, which is the function of the graph? y = 0.5(3)x y = 2(3)x y = −2(3)x y = −0.5(3)x
german

Answer: If I remember correctly, the answer should be <em>y=-2(3)^x.  </em>

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Hopefully that helped!
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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