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Doss [256]
2 years ago
15

If f(x) = x2 − 3x − 4 and g(x) = x2 + x, what is (f + g)(x)?

Mathematics
1 answer:
Makovka662 [10]2 years ago
8 0

(f + g)(x) = f(x) + g(x) = x² -3x -4+x² +x= 2x² -2x -4

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What are the values of x and y if this equation is true?<br><br> 22(x + yi) + (28 + 4i) 72 – 62i
ASHA 777 [7]

Answer:

x = 2

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Step-by-step explanation:

The given equation is,

22(x + yi) + (28 + 4i) = 72 - 62i

By solving this equation further,

22x + 22yi + 28 + 4i = 72 - 62i

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Now both the sides of the equation is in the form of complex number,

By comparing real and imaginary parts given on both the sides,

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8 0
3 years ago
What is the eighth term in the arithmetic sequence defined by the explicit formula
RideAnS [48]

Answer:

Find out the what is the eighth term in the arithmetic sequence defined by the explicit formula.

a_{n} = 2n + 7

To prove

As given the explicit formula for the arithmetic sequence .

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Put n = 8

a_{8} = 2\times 8 + 7

a_{8} = 16 + 7

a_{8} = 23

Therefore the eighth term in the arithmetic sequence is 23 .




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Step-by-step explanation:

365.25days

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