Solve the problem.If x varies inversely as v, and x = 6 when v = 3, find x when v = 9.
A. x = 6
B. x = 3
C. x = 2
D. x = 9
Answer: C
Mathematics
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Solve the problem.If cos x is replaced by 
and |x| < 0.5, what estimate can be made of the error?
A. |E| < 0.0052083 B. |E| < 0.0026042 C. |E| < 0.010417 D. |E| < 0.020833
Mathematics
Is the algebraic expression a polynomial? If it is, write the polynomial in standard form.4x-1 - 8 + 7x
A. No B. Yes; 7x + 4x-1 - 8
Mathematics
Solve.
= -1
A. -1
B. 1
C. -3
D. 
Mathematics
Find the foci of the hyperbola.y2 - 
= 1
A. (0, 
) and (0, -
)
B. (
, 0) and (-
, 0)
C. (
, 0) and (-
, 0)
D. (0, 
) and (0, -
)
Mathematics