Graph the function.y = 2 sec 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify the radical expression.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 2x
A. vertex (-1, 1)
intercept (0, 2)
B. vertex (-1, -1)
intercepts (0, 0), (-2, 0)
C. vertex (1, 1)
intercept (0, 2)
D. vertex (1, -1)
intercepts (0, 0), (2, 0)
Mathematics
Perform the indicated operations and express your answer in the form a + bi. 
A. ±3
B. 3i
C. -i
D. -3i
Mathematics
Write an equation of the line with the given slope, m, and y-intercept (0, b).m = -8, b = -2
A. y = 2x + 8 B. y = 8x + 2 C. y = -8x - 2 D. y = -2x - 8
Mathematics