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3 years ago

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The graph of y=f(x) is shown below. Graph y=f(1/2x)

1 answer:

Murrr4er [49]3 years ago

4 0

The graph of f(1/2x) is a horizontal expansion of the graph of f(x) by a factor of 2. The mapping rule is (x, y) -> (2x, y)
                               (-4,2) -> (-8,2)
                               (-2,-2) -> (-4,-2)
                               (0,0) -> (0,0)
Plot those points to get the graph of f(1/2x).

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What value of b will make the expressions −12.8x+b and −3.2(4x−2.1)+2.4 equivalent?

telo118 [61]

$- 12.8x + b = - 3.2(4x - 2.1) + 2.4$

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$b = 6.72 + 2.4$

Add the decimals

$b = 9.12$

<em>Thus, The expression are equivalent at b = 9.12...~</em>

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Answer:

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Step-by-step explanation:

we know that

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