Answer ASAP! Which statement best illustrates using the vertical line test to determine if the graph below is a function of x?

1 answer:

5 0

Answer: is If something is a function, every x-value, only has one (1) y-value. If the line x = 0 intersects the graph in two points, there are to values for y (instead of one). Therefore the graph is not a function of x.

Step-by-step explanation: answer is A

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Mashutka [201]

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Answer:

a) (-5±√10)/3 ≈ {-2.721, -0.613}

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Step-by-step explanation:

a) The relevant coefficients are ...

a = 3, b = 10, c = 5

$x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x=\dfrac{-10\pm\sqrt{10^2-4\cdot3\cdot5}}{2\cdot3}=\dfrac{-10\pm\sqrt{40}}{6}\\\\\boxed{x=\dfrac{-5\pm\sqrt{10}}{3}\approx\{-2.721, -0.613\}}$

b) The relevant coefficients are ...

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