Simplify.27.2 + 5.19 × (7.8 - 0.4)2

A. 311.4044
B. 310.0044
C. 556.2044
D. 313.6044

Answer: A

Mathematics

Solve the inequality.For the function f(x) = x2 - 5x - 14, solve f(x) ? 0.

A. [7, ?) B. (-?, -2] ? [7, ?) C. [-2, 7] D. (-?, -2]

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Mathematics

Find an equation of the parabola described.Directrix the line y = 3; vertex at (0, 0)

A. x = 3y²
B. x = - y²
C. y = -12x²
D. y = - x²

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Mathematics

Provide an appropriate response.Explain why 1 is excluded from being a logarithmic base.

What will be an ideal response?

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Mathematics

Differentiate.y =

A.
B.
C.
D.

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Mathematics