The vertex of the parabola is at (4, -3). When the x-value is 5, the y-value is 6. What is the coefficient of the squared expression in the parabola's equation?
A.2
B.3
C.-3
D.-2

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step-by-step explanation:

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hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb