Determine whether the function is a solution of the wave equation.w(x, t) = cos (2t - 2cx), c ? 1
A. No
B. Yes
Answer: A
Mathematics
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Factor out the greatest common factor.x2(x - 8) - (x - 8)
A. (x3 - 8x2) - (x - 8) B. (x - 8)(x2 + 1) C. x2(x - 8) D. (x - 8)(x2 - 1)
Mathematics
Express the rational number as a decimal.
A. 0.5 B. 2 C. 0.05 D. 5
Mathematics
Find a polynomial with the given zeros.
?
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics
Find the limit by direct substitution.
?
?
A. 
B. 
C. 
= 
D. 
E. 
?
Mathematics