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3 years ago

How to understand piecewise functions

1 answer:

6 0

Each piece is defined over some (limited) domain. When you are evaluating or graphing a piecewise function, you only evaluate or graph the function whose domain includes the variable value of interest.

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8/9+2/3 In fraction form

photoshop1234 [79]

8/9+6/9 equals 14/9 or 1 and 5/9

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2 years ago

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Is math a feature of the universe or a feature of human creation?

maxonik [38]

Answer:

a feature of the universe

Step-by-step explanation:

Math is a feature of the universe because what we call math is just a way of explaining how things work.

7 0

3 years ago

A 3-column table with 6 rows. Column 1 is labeled Number Rolled with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled Observed Freq

alisha [4.7K]

Answer:

1/5, 2/15

Step-by-step explanation:

All the probabilities are the Observed Frequencies/Total Rolls = Observed Frequencies/60

That means A is 12/60 = 1/5

That also means B is 8/60 = 2/15

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2 years ago

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Simplify 8+5h-2+h-10+3h

Bogdan [553]

Answer:

-4+7h

Step-by-step explanation:

4 0

3 years ago

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From 1980-1990, the population of a country was increased by 20%. From 1990-2000, the population of the country was increased by

Mrac [35]

Answer:

The % of the increase in population from 1980 to 2000 will be 72.8%

Step-by-step explanation:

Let the population in the year of 1980 was x.

If the population from 1980 to 1990 has increased by 20%, then the population in the year 1990 will be $x(1 + \frac{20}{100}) = 1.2x$ .

Now, from 1990 to 2000, the population has again increased by 20%.

So, the population in the year 2000 will be $1.2x(1 + \frac{20}{100}) = 1.44x$ .

Again, from 2000 to 2010, the population has increased by 20%.

Therefore, the population in the year 2010 will be $1.44x(1 + \frac{20}{100}) = 1.728x$ .

Now, the population increased from x to 1.728x between the years 1980 to 2010.

Hence, the % of the increase in population from 1980 to 2000 will be $(\frac{1.728x - x}{x}) \times 100\% = 72.8\%$ (Answer)

7 0

3 years ago