Find the exact value of the expression.tan-1 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the equation. Express radicals in simplest form.4x2 - 3x + 8 = 8x + 5
A. 
B. 
C. 
D. 
Mathematics
Graph the ellipse and locate the foci.9x2 + 4y2 = 36
A. foci at (2
, 0) and (-2
, 0)
B. foci at (
, 0) and (-
, 0)
C. foci at (0, 
) and (0, -
)
D. foci at (
, 0) and (-
, 0)
Mathematics
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = 0, x = 2, x = 7 B. x = 2, x = 7 C. x = 1, x = -2, x = -7 D. x = -2, x = -7
Mathematics
Simplify the complex number and write it in standard form.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics