Perform the indicated clock arithmetic.4 ? 2 (12-hr clock)
A. 8
B. Does not exist
C. 2
D. 12
Answer: A
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Graph the equation.y = - 
x - 4
A. 
B. 
C. 
D. 
Use a graphing calculator to find the location of all relative extrema (to three decimal places).f(x) = x4 - 3x3 - 21x2 + 74x + 47
A. Relative maximum at x = 1.526; Relative minima at x = -3.02 and x = 3.775 B. Relative maximum at x = 1.644; Relative minima at x = -3.127 and x = 3.663 C. Relative maximum at x = 1.623; Relative minima at x = -3.15 and x = 3.71 D. Relative maximum at x = 1.604; Relative minima at x = -3.089 and x = 3.735
Find the focus and directrix of the parabola.y2 - 36x = 0
A. F: (0, 9); D: y = -9 B. F: (9, 0); D: x = -9 C. F: (9, 0); D: y = -9 D. F: (9, 0); D: x = 9
Solve the system of linear equations.
?
?
A. 
B. ?
C. ?
D. ?
E. no solution