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yan [13]
3 years ago
14

What is the domain of the step function f(x) = [2x] – 1?

Mathematics
2 answers:
omeli [17]3 years ago
6 0

You have troubles with domains only if you have:

  • Denominators
  • Roots with an even degree
  • Logarithms

In this case, you have neither of these three, so you can compute your function wherever you want. The domain is all real numbers.

Leya [2.2K]3 years ago
4 0

Answer:

d all real numbers......:)

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A bag contains 8 blue marbles, 11 green marbles, and 7 red marbles. Which is the probability of drawing a green marble, replacin
aev [14]

Answer:

I think it would be C. 9/13.

8 0
3 years ago
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A bag has 3 white scraps,2 yellow scrapes,and 3 black scraps.You randomly pull a scrap from the bag,keep it out,and then pull ou
WINSTONCH [101]

Answer:

25/56

Step-by-step explanation:

Prob of white = 3/8

Probability of not white = 1 - 3/8

= 5/8

Second pick without replacement

Probability of white = 2/7

Probability of not white = 1 - 2/7

= 5/7

Total probability = 5/8 x 5/7

= 25/56

5 0
2 years ago
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2. f(x) = 3(x - 2)2 + 6<br>a. Standard Form:​
Alexandra [31]

Answer:

{3x}^{2}   - 4x + 10 = 0

Step-by-step explanation:

3(x - 2) {}^{2}  + 6 \\  3 \times x {}^{2}  - 4x +  {2}^{2}  + 6 \\ 3x {}^{2} - 4x + 4 + 6 \\  {3x}^{2}   - 4x + 10 = 0

6 0
3 years ago
Find the sum of the following series. Round to the nearest hundredth if necessary,
Aneli [31]

Answer:

sum =   \frac{a( {r}^{n - 1} )}{r - 1}   \\  : but \: l = a( {r}^{n - 1} ) \\ 49152 = 3( {2}^{n - 1} ) \\ 16384 =  {2}^{n - 1}  \\  {2}^{n}  = 32768 \\  {2}^{n}  =  {2}^{15}  \\ n = 15 \\  \therefore \: sum =  \frac{3(2 {}^{15 - 1}) }{15 - 1}  \\  =  \frac{49152}{14}  \\  = 3510.9

3 0
3 years ago
17. New Schools expects an EBIT of $100,000 every year forever. The firm currently has no debt, and its cost of equity is 10 per
Natali5045456 [20]

Answer:

$880,000

Step-by-step explanation:

First note that the full meaning of EBIT is earning before interest and tax.

When the company does not have debt, it called unlevered (VU), while a company that has debt is called levered (VL) company. The VU and the VL of the company can be calculated using the VU and VL formula as follows:

Step 1. Calculation of VU

VU = [EBIT × (1 - tax rate)] ÷ cost of equity

       = [$100,000 × (1 - 0.20)] ÷ 0.10

       = [$100,000 × 0.80] ÷ 0.10

       = $80,000 ÷ 0.10

       = $800,000

Step 2. Calculation of VL

VL = VBC + (tax rate × conversion rate × VU)

        = $800,000 + (0.20 × 0.5 × $800,000)

        = $800,00 + $80,000

        = $880,000

Therefore, the value of the firm will be $880,000 if it is converted to 50 percent debt.

3 0
3 years ago
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