Graph the rational function.
A. 
B. 
C. 
D. 
E. none of these
Answer: D
Mathematics
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Find the focus and directrix of the parabola.y2 = 8x
A. (2, 0); x = -2 B. (0, 2); y = -2 C. (2, 2); x = 2 D. (2, 0); x = 2
Mathematics
Graph the function defined by a radical expression.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Find the inverse of the function and state its domain and range .{(3, -2), (2, -3), (-8, 3), (8, -3)}
A. {(-3, -8), (-8, 2), (-2, 3), (3, 8)}; D = {-3, -8, -2, 3}; R = {-8, 2, 3, 8}
B. {(-3, -8), (-3, 2), (-2, 2), (3, 8)}; D = {(-3, -3, -2, 3}; R = {-8, 2, 8}
C. {(-2, 3), (-3, 2), (3, -8), (-3, 8)} D = {-2, -3, 3, -3}; R = {3, 2, -8, 8}
D. 
D = { 3, 2, -8, 8}, R = 
Mathematics
Use the imaginary unit to write the expression.
A. -2i
B. -2
C. 2
D. 2i
Mathematics