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ruslelena [56]
3 years ago
9

Write the interval notation represented by each description below:

Mathematics
2 answers:
ehidna [41]3 years ago
5 0

Answer:

1. The set of all numbers less than negative ten.

  • (- ∞, -10)

2. The set of all positive real numbers.

  • (0, +∞)

3. The set of all numbers less than 4.242 and greater than 12.566.

  • (-∞, 4.242 )∪ (12.566, +∞)

4. The set of all numbers that are greater than 15 and less than 50.

  • (15, 50)

5. The set of all numbers that are at most 5.

  • (-∞, 5]

6. The set of all numbers that are at least 18.

  • [18, +∞)
marin [14]3 years ago
4 0

Answer:

1. (-∞ , -10]

2. [0, ∞ )

3. [12.566, 4.242]

4. [15, 50]

5. (-∞ , 5]

6. [18, ∞)

Step-by-step explanation:

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AysviL [449]
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A demand loan for $8,944.61 with interest at 7.8% compounded semi-annually is repaid after two years, seven months. What is the
disa [49]

Answer:

the correct answer is option D which is $1,954.94

Step-by-step explanation:

loan amount =  $8,944.61

interest =  7.8% = 7.8 %/2 = 3.9 %

compounded semi annually =  2 × 12 + 7 = 31 months

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7 0
4 years ago
Let f(x) = 6x^2 + 5 and g(x) = 3x - 5. Find f(g(7)).
Vedmedyk [2.9K]

Answer:

D) 1541

Step-by-step explanation:

I like to answer it w without deriving the formula of f(g(x)). So, we go this way, you firstly have to find g(7) which will be equal to 3 * 7 - 5 = 16.

And then you find f(16) = 6*16*16+5 = 1541. That's all.

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