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2 years ago

6. What is the domain of this function? (0, 2), (1, 3), (2, 4), (3,5), (4, 6)

Mathematics

1 answer:

forsale [732]2 years ago

3 0

$\large \underline\mathcal{ » \: QUESTION \: : }$

6. What is the domain of this function?

(0, 2), (1, 3), (2, 4), (3,5), (4,6)

the domain is the set of all the values x of while the range is the set of all the value of y

$\tt \:1.) (0, 2), (1, 3), (2, 4), (3,5), (4, 6)$

$\tt \: DOMAIN = ({{0,1,2,3,4}})$

$\tt \: RANGE (2,3,4,5,6)$

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1 year ago

A piece of a chain's length and weight are in proportion. If 320 cm of chain weighs 8 kg, then

Dafna11 [192]

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B. 80 cm of chain weighs 2 kg.

Step-by-step explanation:

In order to choose the correct answer, we need to define the comparative relation between the length and weight of the chain. We will do this by performing the simple operation of division.

It is easier to divide the larger number by the smaller and that is what we will show here (although you can do as you wish and still get the same result - it's math!):

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The result we got is 40. This means that the length of the chain is equal to the value of forty of its weights! And this will be the operation we will perform in order to determine the right answer:

A) Does 2 (kg) multiplied by 40 equal 40 (cm)? No, therefore, it is incorrect.

B) Does 2 (kg) multiplied by 40 equal 80 (cm)? Yes, this answer is correct!

Just in case, we will perform this action with the rest of the possible choices:

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3 years ago

Eliminate the parameter. x = t2 + 2, y = t2 - 4

stepan [7]

$\bf \begin{cases}
x=t^2+2\implies x-2=t^2\implies \sqrt{x-2}=\boxed{t}\\\\
y=t^2-4\\
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y=\left( \boxed{\sqrt{x-2}} \right)^2-4\implies y=x-2-4\\\\
y=x-6
\end{cases}$

just a plain vanilla substitution

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3 years ago

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