Find the requested function value of ?.Find cos ?, if sec ? = 9.

A. 0.1111
B. 0.1250
C. -0.1250
D. -0.1111

Answer: A

Mathematics

Plot and label the given points.(5, 2), (-2, -2)

What will be an ideal response?

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Mathematics

Find the requested partial derivative.(?w/?x)y if and

A. 3x(3x + 2z2) + 18y(2x2 + 3z) B. 3x(x + 2z2) + 18y(2x2 + 3z) C. 3x(x + 2z2) + 18y(2x2 + z) D. 3x(3x + 2z2) + 18y(2x2 + z)

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Mathematics

Divide using synthetic division.(x3 - 4x2 + 3x - 7) ÷ (x + 4)

A. x³ - 4x² + 35x - 147
B. x² - 8x + 35 +
C. x² - 8x + 35 +
D. x² - 8x + 19 +

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Mathematics

Use a graphing utility to find or approximate solutions to the equation. If necessary, round your answers to three decimal places.5x2 - 45x + 100 = 0

A. 0, 4, 5 B. 4, 5 C. 5, 4, 5 D. -4, -5

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Mathematics