Provide an appropriate response.Graph the function y = 
in connected mode in the standard viewing window of your calculator. Does your calculator draw a nearly vertical line in the neighborhood of x = 2? Should this line be present? Why or why not?
What will be an ideal response?
The line should not be present. Some calculators "connect the dots" erroneously across points of discontinuity.
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Assume that all variables are implicit functions of time t. Find the indicated rate.y = 4x2 - 6x; dx/dt = 0.5 when x = 8; find dy/dt.
A. 58 B. 29 C. 1 D. 8
Determine the reference angle for the given angle.? = -67°
A. 157° B. 67° C. 23° D. 113°
The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.
?Find cos t.
A. - 
B. - 
C. 
D. - 
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 4 cos (3t)
A. simple harmonic; 4 m; 
sec; 
? oscillations/sec
B. simple harmonic; -4 m; 
? sec; 
oscillations/sec
C. simple harmonic; 4 m; 
? sec; 
oscillations/sec
D. simple harmonic; 4 m; 3 ? sec; 
oscillations/sec