Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.a2x + b2y = b2ax + by = a
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine whether the function is a solution of the wave equation.w(x, t) = sin (5x + 5ct)
A. No B. Yes
Mathematics
Evaluate.-3x3 - 2x2 - 43 ; x = -2
A. -37 B. -15 C. -39 D. -27
Mathematics
Find all specified roots.Cube roots of 1.
A. 1, - 
+ 
i, - 
- 
i
B. -1, 1
C. 1, 
+ 
i, - 
+ 
i
D. 1, 
- 
i, - 
- 
i
Mathematics
Provide an appropriate response.Plot the functions u(x) = 
, l(x) = -
, and f(x) = x cos (1/x2). Then use these graphs along with the Squeeze Theorem to prove that 
f(x) = 0.
What will be an ideal response?
Mathematics