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3 years ago

Which relation is a function?

Mathematics

1 answer:

Lelechka [254]3 years ago

5 0

Answer:

Step-by-step explanation:

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Slope of (27,2),(38,-15)

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I'm in college, I honestly don't know what it is but I hope you find it!

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3 years ago

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Estimate 154 divide 7

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154 divided by 7 is 22

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2 years ago

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(PLEASE HELP) Triangle LMN is similar to triangle OPR. Find the measure of side RO. Round your answer to the nearest tenth if ne

AysviL [449]

Answer:

Step-by-step explanation:

ΔLMN = ΔOPR ----- (given)

NM / NL = RP / RO

19 / 34 = 60 / RO

RO = 60 × 34 ÷ 19

RO = 107.36

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2 years ago

Expanding Logarithmic Expressions In Exercise, use the properties of logarithms to rewrite the expression as the sum, difference

kicyunya [14]

Answer:

$\\ ln(x^2) - ln(x^2 + 1)$ .

For values of x>0, it can be rewritten as $\\ 2ln(x) - ln(x^2 + 1).$

Step-by-step explanation:

For the expression:

$\\ ln(\frac{x^2}{x^2 + 1})$

We can apply this logarithmical property: $\\ ln(\frac{x}{y}) = ln(x) - ln(y).$

Then,

$\\ \frac{x^2}{x^2 + 1} = ln(x^2) - ln(x^2 + 1).$

If we assume values of x > 0 (non negative values for x), then the expression could be rewritten as follows:

$\\ \frac{x^2}{x^2 + 1} = ln(x^2) - ln(x^2 + 1) = 2 ln(x) - ln(x^2 + 1)$ , since $\\ ln(x^{n}) = n*ln(x).$

We have to remember that domain (all possible values x) for logarithmic function is for all x > 0, or mathematically expressed as:

Domain: $\\ {x | x \in R, x > 0}$

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3 years ago

Work out, giving your answer in its simplest form

Svetach [21]

Answer:

Step-by-step explanation:

⅔ ×3³/5

⅔×18/5

10×54 = 540

15 15

=36

5 0

1 year ago

Which relation is a function? ​

Which relation is a function?