Determine the viewing window used. 
A. 
B. 
C. 
D. 
Answer: A
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In a series parallel circuit,
a. the current is not the same in all resistors. b. the current is always the same in all resistors. c. the voltage is always the same across all resistors. d. the voltage across each resistor is equal to the supply voltage. e. the currents and voltages are independent of the resistor values.
Answer the question.Which one of the equations below matches the graph?
A. y = 4 cos
B. y = 4 sin
C. y = 2 cos
D. y = 4 cos
Use a graphing calculator to solve the linear equation.The graph of y1 is shown in the standard viewing window. Which is the only choice that could possibly be the solution of the equation y1 = 0?
-12, -7, - 
, 12
A. -7
B. 12
C. -12
D. - 
Solve the equation for -2? ? x ? 2?.csc x = 1
A. -?, ?
B. -2?, 0, 2?
C. - 
, 
D. none