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andreyandreev [35.5K]
3 years ago
11

Help me pleaseeee !!!

Mathematics
2 answers:
galina1969 [7]3 years ago
3 0

Answer:

you save $5, i can't send a diagram to help though.

Step-by-step explanation:

Mrrafil [7]3 years ago
3 0

Answer:

$5 is how much you will save

Step-by-step explanation:

because 25% of 20 if we add them 5+5+5+5=20 so 1/4 or 25% of 20 is 5

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Step-by-step explanation:

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6 0
3 years ago
100 POINTS!!!! PLEASE HELP WITH THIS :(( I WILL GIVE YOU A GOOD RATING/MARK YOU BRAINLIEST
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Answer:

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3 years ago
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marta [7]
<h2>Answer:</h2>

A. It is a many-to-one function.

<h2>Step-by-step explanation:</h2>

Hello! It will be a pleasure to help to figure out what's the correct answer to this problem. First of all, we have the following function:

f(x) = 2x^3 + 2x^2-x

When plotting this function, we get the red graph of the function shown below. So let's solve this as follows:

<h3>A. It is a many-to-one function.</h3>

True

A function is said to be many-to-one there are values of the dependent variable (y-values) that corresponds to more than one value of the independent variable (x-values). To test this, we need to use the Horizontal Line Test. So let's take the horizontal line y=0.5, and you can see from the first figure below that y=0.5 is mapped onto x=-1.241 \ x=-0.344 \ and \ x=0.585. so this is a many-to-one function.

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<h3>C. It is not a function.</h3>

False

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Step-by-step explanation:

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4 0
3 years ago
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