Determine if the function {(−2, 14), (−1, 2), (0, −2), (1, 2)} is quadratic.
Part 1.)
A. It is quadratic
B. It is not quadratic
Part 2.)
A. The value at -1 and 1 are the same
B. The second differences are the same

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step-by-step explanation:

the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is

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