At the given point, find the slope of the curve or the line that is tangent to the curve, as requested.5x2y - ? cos y = 6?, tangent at (1, ?)
A. y = -2?x + ?
B. y = - 
x + 
C. y = ?x
D. y = -2?x + 3?
Answer: D
Mathematics
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How many calls were on hold for 3 minutes or less?
A. 7 B. 6 C. 9 D. 5
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x4 + 15x2 - 16
A. (x2 - 1)(x2 + 16) B. (x + 1)(x - 1)(x2 + 16) C. (x - 1)2(x2 + 16) D. (x + 1)(x - 1)(x + 4)(x - 4)
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Determine whether the function is a polynomial function.f(x) = x5/4 - x3 - 9
A. Yes B. No
Mathematics
Find the inverse of the matrix. 
A. 
B. 
C. 
D. 
Mathematics