Solve the inequality.x2 - 6x ? -8
A. x ? 2
B. x ? 2 or x ? 4
C. x ? 4
D. 2 ? x ? 4
Answer: B
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Find the derivative at each critical point and determine the local extreme values.y = 
A. 
B. 
C. 
D. 
Write the statement indicated.State the inverse of the following:If it is snowy, then it is cold.
A. If it is cold, then it is snowy. B. If it is snowy, then it is not cold. C. If it is not cold, then it is not snowy. D. If it is not snowy, then it is not cold.
Find the polar form of the complex number.7i
A. 7(cos 
+ i sin 
)
B. 7(cos 0 + i sin 0)
C. 7(cos 
+ i sin 
)
D. 7(cos ? + i sin ?)
Solve the triangle, if possible. Round to the nearest hundredth.a = 7 ftb = 7 ftc = 18 ft
A. A = 73.4°, B = 33.2°, C = 73.4° B. A = 73.4°, B = 73.4°, C = 33.2° C. A = 78.4°, B = 78.4°, C = 23.2° D. No solution