Find all real and imaginary solutions to the equation.y4 - 8y2 + 12 = 0
A. {± 
, ± 
}
B. {-6, -2}
C. {±i
, ±i
}
D. {6, 2}
Answer: A
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Solve the problem.An asteroid from deep space is sighted from the earth moving on a parabolic path with the earth at the focus. When the line from the earth to the asteroid first makes an angle of 90° with the axis of the parabola, the asteroid is measured to be 60 million miles away. How close will the asteroid come to the earth? Treat the earth as a point.
A. 6 million miles B. 3 million miles C. 9 million miles D. 30 million miles
Find the limit.
tan x
A. 1 B. 0 C. ? D. -?
Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.ln x + ln (x + 6) = 1
A. -6 + 
? 0.846
B. 
? 3.222
C. 
? 0.423
D. 
? -6.423
Fill in the blank with the correct inequality symbol.If x > -2, then 3x 
-6.
A. < B. > C. ? D. ?