Solve the equation without using a calculator.
x = 
A. 
B. -4
C. 4
D. 
Answer: C
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Solve the inequality.
? 0
A. (-?, -9] or [9, ?) B. [-9, 0) or [9, ?) C. (-?, -9] or (0, 9] D. [-9, 0) or (0, 9]
Write a sentence that expresses the relationship in the formula, using the language of variation or proportion.f-stop = 
, where f-stop is camera setting with a lens with focal length f and diaphragm opening D
What will be an ideal response?
Solve the problem.The concentration C of a certain drug in a patient's bloodstream is given by 
.a) Find the horizontal asymptote of C(t).b) Using a graphing utility, determine the time at which the concentration is highest.
Fill in the blank(s) with the appropriate word(s).
Use the Factor Theorem to determine whether the linear polynomial is a factor of the second polynomial.x - 5; 2x3 - 11x2 - 10x + 75
A. Yes B. No