Graph the function.Sketch two cycles of the acoustical intensity I of the sound wave for which 
, given that t is in seconds, 
and 
Label the point on the horizontal axis which represents the end of the second cycle.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Mathematics
Find the slope from the given equation.5x + 9y = 46
A. m = - 
B. m = - 
C. m = 
D. m = 
Mathematics
Solve the problem.Find f(4) when f(x) = x2 + 2x - 4.
A. 4 B. 20 C. 12 D. 28
Mathematics
Provide an appropriate response.You are finding the partial fraction decomposition of the expression 
.You should ...
A. Use long division to divide the numerator by the denominator B. Solve the equation x2 - 13x + 40 = (Ax + B)(x2 - 11x + 24) + C(x + 8) C. Solve the equation x2 - 13x + 40 = A(x + 8) + B(x - 3) + C(x + 8) D. Solve the equation x2 - 13x + 40 = A(x - 8) + B(x - 3) + C(x + 8)
Mathematics