The graph of a quadratic function is given. Determine the function's equation.

A. g(x) = -x2 + 4x + 4
B. f(x) = -x2 - 4x - 4
C. h(x) = -x2 - 2
D. j(x) = -x2 + 2


Answer: D

Mathematics

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Simplify the radical expression. Assume all variables represent positive real numbers.

A. 8 B. ±4 C. 16 D. -4

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Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.

A. 4
B. 4; 
C. 4
D. 4; 

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Without graphing the function, determine its amplitude or period as requested.y =  sin (- x)Find the amplitude.

A.
B.
C.
D.

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Determine whether the two equations in the pair are equivalent.7x - 8 = 20 and 8x = 16

A. Equivalent B. Not equivalent

Mathematics