Find the vertex of the parabola.f(x) = 4x2 - 32x + 59

A. (5, -4)
B. (-4, 5)
C. (-5, 4)
D. (4, -5)

Answer: D

Mathematics

Simplify the expression.1 + 3(x + 8y)

A. 4x + 8y B. 1 + 24xy C. 1 + 3x + 8y D. 1 + 3x + 24y

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Mathematics

Evaluate. + ; x = 5, y = 4, z = -1.

A. -40 B. 40 C. -24 D. 24

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Mathematics

Multiply and simplify.( + y)( - y)

A. x - 2y
B. 4x
C. 3x - y²
D. x + 2y

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Mathematics

Decide whether the set of ordered pairs is a function.{(-8, 2), (-8, 8), (1, 4), (5, -9), (10, -1)}

A. Function B. Not a function

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Mathematics