Graph the function.y = sec (2x - 
) + 2 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = t, y = 
, t = 18
A. y = 
x
B. y = - 
x - 3
C. y = - 
x
D. y = 
x + 3
Mathematics
Replace the polar equation with an equivalent Cartesian equation.r = -9 csc ?
A. y = -9 B. x = -9 C. -9y = 1 D. -9x = 1
Mathematics
Give all solutions of the nonlinear system of equations, including those with nonreal complex components. x2 - 3y2 = 14x2 + 3y2 = 19
A. {(2, 1), (2, -1), (-2, 1), (-2, -1)} B. {(-1, 2), (1, -2)} C. {(1, 2), (-1, 2), (1, -2), (-1, -2)} D. {(2, 1), (-2, -1)}
Mathematics
Find all specified roots.Fifth roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
B. 1, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
,-1
D. -1, cis 
, cis 
, cis 
, cis 
Mathematics