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vagabundo [1.1K]
3 years ago
5

Which of the following does not represent a function?

Mathematics
1 answer:
melamori03 [73]3 years ago
6 0

Answer:

  • D or last one

Step-by-step explanation:

Verify the graphs by the vertical line test.

If a vertical line crosses the graph at two or more points, then it is not a function.

We can see the first 3 graphs pass the test but the last one fails.

So the last graph (bottom right picture)  doesn't represent a function.

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Let f(x) = -20x2 + 14x + 12 and g(x) = 5x - 6. Find f/g and state its domain.
UkoKoshka [18]

Solution

f(x) = -20x^{2} +14x + 12 and g(x) = 5x - 6.

(f/g)(x) = \frac{f(x)}{g(y)}

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<u>Step 1: </u>Now we have to factorize the numerator.

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Factor out -2, we get

= -2 (10x^2 - 7x - 6)

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<u>Step 2: </u>Plug in the factors

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<u>Step 3:</u> Cancel out the common factor (5x - 6) from the numerator and the denominator, we get

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Since -4x -2 is linear expression, the domain is all the real numbers.

Therefore, the answer is –4x – 2; all real numbers

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A 16-ounce bottle of orange juice says that it contains 200 milligrams of vitamin C, which is 250% of the daily recommended dosa
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