Find the function value.Let h(x) = 7x - . Find h(-x).

A. -7x - 
B. -7x + 
C. 7x - 
D. -7x - 

Answer: D

Mathematics

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Use Cramer's rule to solve the system of linear equations.-5x + 9y = 45 3x - 2y = -10

A. (0, 6) B. (-1, 6) C. (0, 5) D. No solution

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Mathematics

Analyze the graph and write the equation of the function it represents in standard form f(x) = a(x - h)2 + k. 

A. y = 2(x + 2)2 + 2
B. y = (x + 2)2 + 2
C. y = - (x + 2)2 - 2
D. y = -2(x + 2)2 - 2

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Mathematics

Find decimal notation.

A. 1.5
B. 1.59
C. 1.58
D. 1.5

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Mathematics

Use the fundamental identities to simplify the expression.

A. sec2? B. 1 C. csc2? D. cot2?

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Mathematics