3 years ago

Modelos de ecuaciones

Mathematics

1 answer:

madam [21]3 years ago

3 0

Modelos de ecuaciones? Hay una imagen que acompañe a la pregunta?

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Expand the following:<br> a) x(x + 2)<br> b) x(2x - 5)<br> c) 2x(3x + 4)<br> d) 6x(x - 2)

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Answer:

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$a. \: x(x + 2) \\ \: \: = x \times x + 2 \times x \\ \: \: = {x}^{2} + 2x$

$b . \: x(2x - 5) \\ \: = x \times 2x - x \times 5 \\ \: \: = 2 {x}^{2} - 5x$

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Hope this helps...

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3 years ago

The absolute value function, f(x) = |x + 2|, is shown.

Georgia [21]

ANSWER

all real numbers

EXPLANATION

The given absolute value function is

$f(x) = |x + 2|$

This function is obtained by shifting the graph of

$y = |x|$

to the left by 2 units.

Since the domain of the parent function is all real numbers, the domain of the transformed function is also all real numbers because the shifting the parent function horizontally or vertically does not affect the domain.

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