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Airida [17]
3 years ago
8

The function g is defined by g(x) = 3x - 5. Find g (2x).

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
5 0
We want to replace x with 2x in the original equation
g(2x) = 3(2x) -5
We can multiply 3 and 2x to simplify this, which will give us 6x
g(2x) = 6x - 5
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Answer:

The first blank: not equal

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Step-by-step explanation:

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3 years ago
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Answer:

<h2>a = 400/21, b = 580/21</h2>

Step-by-step explanation:

Small triangles are similar. Therefore, the sides are proportional

\dfrac{a}{20}=\dfrac{20}{21}               <em>cross multiply</em>

21a=(20)(20)       <em>divide both sides by 21</em>

a=\dfrac{400}{21}

For b, we can use the Pythagorean theorem:

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