Simplify. Do not use negative exponents in your answer.(x-9y11z3)(x-4y-4z7)
A. 
B. x5y7z10
C. 
D. 
Answer: D
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Solve.A pulsed electric voltage that is offset by a dc component of 2V is defined by 
where t is time (in ?s). Find a0 (if it is not zero), two nonzero cosine terms (if they exist), and two nonzero sine terms (if they exist) of the Fourier series for the time-dependent voltage.
A. 
- 
B. 2 - 
C. 
- 
D. 
- 
Determine the specific solutions (if any) to the equation on the interval [0, 2?).2 sin2 ? = sin ?
A. 
, 
, 
, 
B. 
, 
C. 
, 
D. 0, ?, 
, 
Determine whether the function is a one-to-one function.f = {(9, -2), (2, -9), (-1, 3), (1, -3)}
A. not one-to-one B. one-to-one
Solve the problem.The perimeter of a rectangle is the sum of the lengths of all four sides. A rectangle has a perimeter of 
. Let W be the width, L be the length, and P be the perimeter, all units in yards.a. Sketch three possible rectangles of perimeter 36 yards.b. Which of the symbols W, L, and P are variables?c. Which of the symbols W, L, and P are constants?
What will be an ideal response?