Mathematics: Look at this function: x y −6 −13 −4 −9 −2 −5 0 −1 mark said that the function is linear. jason said that the function is nonlinear. which of the following explains who is correct?

Look at this function: x y −6 −13 −4 −9 −2 −5 0 −1

Ответ:

joyelewis58

08.01.2022

Mathematics

X values are increasing by 2
y values are increasing by 4
Mark is correct

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Ответ:

marofthejt9089

08.01.2022

Mathematics

As x coordinate of function is : -6, -4, -2, 0

And y coordinate of function is : -13, -9, -5,-1

If a function is linear it means

Slope will be same everywhere.

Slope between two points $(x_{1},y_{1}) \text{and} (x_{2}, y_{2})$ is = $\frac{y_{2}-y_{1}}{x_{2} -x_{1}}$

= $\frac{-9+13}{-4+6}=\frac{4}{2}=2\\\frac{-5+9}{-2+4}=\frac{4}{2}=2\\\\\frac{-1+5}{0+2}=\frac{4}{2}=2\\\\\frac{-1+13}{0+6}=\frac{12}{6}=2$

So, between any two points slope are same i.e equal to 2.So it is a linear function.

So, Mark is right that the function is linear.

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Ответ:

ruthd113

29.04.2023

Mathematics

$Domain\\D:\ x+3\geq0\to x\geq-3\to x\in[-3;\ \infty)\\\\\sqrt{x+3}+4=5\ \ \ |subtract\ 4\ from\ both\ sides\\\\\sqrt{x+3}=1\ \ \ \ \ |square\ both\ sides\\\\x+3=1^2\\\\x+3=1\ \ \ \ |subtract\ 3\ from\ both\ sides\\\\\huge\boxed{x=-2\in D}\leftarrow\ your\ answer$

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Look at this function:

x y
−6 −13
−4 −9
−2 −5
0 −1

mark said that the function is linear.

jason said that the function is nonlinear.

which of the following explains who is correct?

Ответ:

Ответ:

Ответ:

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