Find the real solutions of the equation.x4 - 16 = 0
A. {-4, 4}
B. {-
, 
}
C. {-2, 2}
D. no real solution
Answer: C
Mathematics
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Find the limit and determine if the function is continuous at the point being approached.
sec(x sec2x - x tan2x - 1)
A. csc 8; yes B. sec 8; no C. does not exist; no D. sec 8; yes
Mathematics
Refer to this figure to answer the question.
Is point C on 
?
A. Yes B. No
Mathematics
Evaluate the 3 × 3 determinant.
A. 180 B. -36 C. 36 D. 41
Mathematics
Find the equation that the given graph represents.
A. f(x) = x3 - 4x2 + 20x B. f(x) = -x3 + 20x C. f(x) = -x3 + 4x2 - 9 D. f(x) = x3 + 9x
Mathematics