Write the expression in lowest terms. Assume that all variables represent positive real numbers.
A. 
B. 6 + 6
C. 
D. 6 + 6
Answer: C
Mathematics
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Solve.Use the Maclaurin expansion of cos x to find 
.
A. 
B. ?
C. 0
D. 1
Mathematics
Graph the equation by plotting points. Use values of ? that are multiples of 30°.r = -6 cos ?
A. 
B. 
C. 
D. 
Mathematics
Use the quotient rule to find the derivative.y = 
A. y' = 
B. y' = 
C. y' = 
D. y' = 
Mathematics
Solve the system by elimination. If the system is inconsistent or dependent, say so. x - 6y = -376x - 7y = -48
A. (-2, 7) B. (1, 7) C. (-1, 6) D. empty set solution; inconsistent system
Mathematics