Simplify.
2? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 5 cos 2t + 4 cos 6t, y = 5 sin 2t - 4 sin 6t, 0 ? t ? ?
A. 
B. 
C. 
D. 
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Graph f on the interval [-2?, 2?] using dot mode.f(t) = sec 4t 
A. 
B. 
C. 
D. 
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Identify the like terms in the polynomial.5x4 + 6x3 - 4x4
A. x4 B. 5x4 and -4x4 C. None of the terms are like. D. 5x4 and 4x4
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Solve the inequality.|x - 7| > 3
A. (10, ?) B. (4, 10) C. (-?, 4) ? (10, ?) D. ?
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