Evaluate the expression, if possible.-
A. -9
B. -14
C. not a real number
D. -7
Answer: D
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Solve the equation. Round to the nearest tenth, if necessary.A rock falls from a tower that is 416 feet high. As it is falling, its height is given by the formula h = 416 - 16t2. How many seconds will it take for the rock to hit the ground (h=0)? Round to the nearest tenth of a second.
A. 20.4 sec B. 5.1 sec C. 10,816 sec D. 20 sec
Add or subtract as indicated. Write your answer in the form a + bi.4i + (-7 - i)
A. 7 - 3i B. 7 - 5i C. -7 + 3i D. -7 + 5i
Solve the problem.Find the maximum value of P = 8x + 12y subject to the following constraints.
A. Maximum of 96 B. Maximum of 100 C. Maximum of 120 D. Maximum of 92
Find the vertical asymptotes of the rational function.f(x) = 
A. x = - 
, x = 1
B. x = - 
, x = 1
C. x = 
, x = -1
D. x = 
, x = -1