Find all real and imaginary solutions.x3 - 8x2 + x - 8 = 0
A. {8, ±i}
B. {±8, i}
C. {-8, ±i}
D. {±1, 8}
Answer: A
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Solve the problem. Round your result to an appropriate number of significant digits.Raul, who is 1.98 m tall, wishes to find the height of a tree. He walks 18.87 m from the base of the tree along the shadow of the tree until his head is in a position where the tip of his shadow exactly overlaps the end of the tree top's shadow. He is now 5.77 m from the end of the shadows. How tall is the tree? Round to the nearest hundredth.
A. 2.85 m B. 0.605 m C. 8.46 m D. 6.48 m
Use l'H
pital's Rule to evaluate the limit.
(tanh x)x
A. 1 B. e2 C. ? D. 0
Solve the linear equation.-7 - 3x + 22 + 6x = 14x - 5 - 13x + 3x
A. 20 B. -10 C. 24 D. 10
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 7m10
B. 7m9
C. 7m8
D. 14m6