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  1. AP Pre Calculus
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Trigonometric and Polar Functions

Question 1
college-boardPre-CalculusAPExam Style
1 mark

Which term describes how many cycles a sinusoidal function completes in 2π units?

Question 2
college-boardPre-CalculusAPExam Style
1 mark

Which value determines the period of a cosine function in y = cos(bx)?

Question 3
college-boardPre-CalculusAPExam Style
1 mark

If the volume of tank oscillates between 2000 gallons at its lowest and 5000 gallons at its highest due to a pumping system that operates on a sinusoidal schedule every 8 hours what is the approximate volume rate of change per hour when it is filling the most quickly?

Question 4
college-boardPre-CalculusAPExam Style
1 mark

What is the amplitude of the function y=−5extsin(x)y = -5 ext{sin}(x)y=−5extsin(x)?

Question 5
college-boardPre-CalculusAPExam Style
1 mark

If the function f(x)=x2−4x−2f(x) = \frac{x^2 - 4}{x - 2}f(x)=x−2x2−4​ has a removable discontinuity, what is the value of f(2)f(2)f(2) after the discontinuity has been removed?

Question 6
college-boardPre-CalculusAPExam Style
1 mark

What does "sin" represent in the equation y=sin(x)y = \\sin(x)y=sin(x)?

Question 7
college-boardPre-CalculusAPExam Style
1 mark

What type of transformation occurs if we change f(x)=sin⁡(x)f(x) = \sin(x)f(x)=sin(x) to g(x)=−sin⁡(x)g(x) = -\sin(x)g(x)=−sin(x)?

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Question 8
college-boardPre-CalculusAPExam Style
1 mark

What effect does adding π6\frac{\pi}{6}6π​ to every input value (in radians) have on the graph of k(t)=cos⁡(t)k(t)=\cos(t)k(t)=cos(t)?

Question 9
college-boardPre-CalculusAPExam Style
1 mark

What is the effect of the phase shift constant "c" in the model form f(θ)=Acos⁡(Bθ+C)+Df(\theta)=A\cos(B\theta + C)+ Df(θ)=Acos(Bθ+C)+D when measuring horizontal shift on the graph?

Question 10
college-boardPre-CalculusAPExam Style
1 mark

If y = sin(x) has a period of 2π2\pi2π, what is an equivalent expression for a sinusoid with double that period?