Sketch the graph of the parabola.y = x2 + 1
A. 
B. 
C. 
D. 
Answer: D
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Place your graphing calculator in parametric and degree modes. Set the window for Tmin=0, Tmax=360, Tstep=1, Xmin= -1.8, Xmax=1.8, Xscl=1, Ymin= -1.2, Ymax=1.2, Yscl=1. Set the functions to X1T=cos T, Y1T=sin T. Graph the circle of radius 1 on the screen. Use the trace feature to move a short distance around the circle.As the cosine increases for 0° ? T ? 90°, does the sine increase or decrease?
A. Cannot determine B. Increases C. Decreases
Write the statement in symbolic form.The set of natural numbers is a subset of the integers.
A. N ? Z B. N ? I C. N ? I D. N ? Z
Find the x- and y- intercepts.x - y = -13
A. (13, 0), (0, 13) B. (-13, 0), (0, -13) C. (-13, 0), (0, 13) D. (13, 0), (0, -13)
Find the square root.
A. 3 B. 6 C. 24 D. 12