Determine whether the function is a solution of the wave equation.w(x, t) = sin (5x + 5ct)
A. No
B. Yes
Answer: B
Mathematics
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Graph the sinusoidal function.y = 3 cos (?x)
A. 
B. 
C. 
D. 
Mathematics
Find an equation of variation for the given situation.y varies jointly as x and w and inversely as z, and y = 
when x = 2, w = 4, and z = 16.
A. y = 
B. y = 4xwz
C. y = 
D. y = 
Mathematics
Find the solution(s) (if any) of the system of equations by the graphical method. If the equations are dependent, write your answer with x being arbitrary.
A. {(4, 4)}
B. inconsistent
C. 
D. {(-4, 4)}
Mathematics
Show that B is the inverse of A. Show all your work.
?
What will be an ideal response?
Mathematics