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3 years ago

What is the domain of f(x)

Mathematics

1 answer:

Ksivusya [100]3 years ago

7 0

Answer:

Values of x

Step-by-step explanation:

The domain of a function is the set of all possible inputs for the function while the co-domain is the set of all possible outputs of the function.

In other words, domain is the set of x-values that you can put into any given equation while co-domain is the sex of f(x)-values that you get from substituting the values of x.

Hope it's clear

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Some rectangles have an area of 36 cm². Let the variable W represent the width of these rectangles. Which expression represents

ZanzabumX [31]

Answer:

The perimeter of the rectangle is expressed as; $P = \frac{72 \ + \ 2W^2}{W}$

Step-by-step explanation:

Given;

area of the rectangle, A = 36 cm²

width of the rectangle, = W

Let L represent the length of the rectangle,

A = L x W

$L = \frac{A}{W} = \frac{36}{W}$

The perimeter of the rectangle is calculated as;

P = 2(L + W)

Substitute the value of L into the above equation;

$P = 2(L + W)\\\\P = 2 (\frac{36}{W} + W)\\\\P = 2 (\frac{36 + W^2}{W} )\\\\P = \frac{72 \ + \ 2W^2}{W}$

Thus, the perimeter of the rectangle is expressed as $P = \frac{72 \ + \ 2W^2}{W}$

8 0

3 years ago

A car uses 7litres of pétrole to coker 28km . How many litres of pétrole does hé use to coker 64km

lions [1.4K]

28/7=4km is car journey covered by car in 1l

64/4=16l

5 0

3 years ago

What is the difference? −15 − (−3)

klasskru [66]

The answer is -12 bc you take away the 3

3 0

1 year ago

Read 2 more answers

70 POINTS!

siniylev [52]

You can solve this question with pythagorean theorem > ${a}^{2} + {b}^{2} = c^{2}$

Based on the information, you already have one side (a or b, doesn't matter, 12) and the hypotenuse (the cut, c, 15)

So:
1. $12^{2} + b^{2} = 15^{2}$
2. 144+ $b^{2}$ = 225
3. $b^{2}$ = 225 - 144 = 81
4. $b= \sqrt{81}$
5. $b=9$

7 0

3 years ago

3. Which value is not needed to construct a box plot?

victus00 [196]

The answer is d because

5 0

3 years ago