4 years ago

Disadvantage to using tables and diagrams

2 answers:

8 0

A table or a diagram may not be able to capture an entire function's behavior, especially when the domain is an infinite set.

nirvana33 [79]4 years ago

4 0

Answer:

they are time consuming for preparation
if one diagram is wrong whole answer is wrong
minor diagram problem leads to wrong answer
it is hard to edit the data

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Simplify x+2/x^2+2x-3 divide by x+2/x^2-x

ira [324]

$\dfrac{\frac{x+2}{x^2+2x-3}}{\frac{x+2}{x^2-x}}$

If $x\neq-2$ , then we can immediately cancel the factors of $x+2$ :

$\dfrac{\frac1{x^2+2x-3}}{\frac1{x^2-x}}=\dfrac{x^2-x}{x^2+2x-3}$

Factorize the numerator and denominator:

$x^2-x=x(x-1)$

$x^2+2x-3=(x+3)(x-1)$

Next, if $x\neq1$ , then

$\dfrac{x^2-x}{x^2+2x-3}=\dfrac{x(x-1)}{(x+3)(x-1)}=\dfrac x{x+3}$

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3 years ago

The width of a rectangle is 2 cm less than 8 times the length. The perimeter is 68 cm. What are the width and length of the rect

eduard

Answer:

length=4

width=30

Step-by-step explanation:

length=x

width=8x-2

(8x-2)*2+2x=68

16x-4+2x=68

18x=72

x=4 (Length)

4*8=32, 32-2=30(width)

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3 years ago

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A rectangle with an area of 103 square feet is dilated by a scale factor of 3. What is the new area?

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Okay so a dilation means that you would multiply the area by your scale factor. 103 times 3 is 309. Your answer is 309

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What is 0.32 multiplied by 300 ??

UkoKoshka [18]

.32 multiplied by 300 is 96

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You are living in Aldine, TX and you are planning a trip to Six Flags in Arlington, TX. You look on a map that has a scale of 0.

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Here is the answer:

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