Determine whether f is continuous at c.f(x) = 
; c = -2
A. continuous
B. not continuous
Answer: A
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Draw the angle in standard position and state the quadrant in which the terminal side of the angle lies or the axis on which the terminal side of the angle lies.
A. Quadrant IV
B. Quadrant III
C. Quadrant I
D. Quadrant III
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.
A. Irrational, 41.231 B. Rational, 2,890,000 C. Not a real number D. Rational, 850
Determine the domain of the function.f(x) = 
A. (-?, ?) B. [19, ?) C. [0, ?) D. [-19, ?)
If right triangle ?SAD, SA =10° and AD = 20°. Then D is
(a) 45°. (b) 60°. (c) 30°. (d) 41°. (e) None of these is correct.