Simplify the expression.
A. 
B. 
C. 
D. 
Answer: D
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Find all real numbers that satisfy the equation. Round approximate answers to 2 decimal places.3 = 5 cos(x) + 2
A. 0.98 + 2k? or 5.30 + 2k? where k is any integer B. 1.37 + k? or 4.91 + k? where k is any integer C. 1.37 + 2k? or 7.65 + 2k? where k is any integer D. 1.37 + 2k? or 4.91 + 2k? where k is any integer
Determine whether the given function is positive or negative for values of t in the specified quadrant. Â Quadrant III, sec t
A. Positive B. Negative
Provide an appropriate response.A quantity Q is increasing by 900 per year at the present time. This means that 
. (Provide a statement that is always true, involving either Q'(0), Q(0), Q(900), or Q'(900).)
A. Q'(0) = 900 B. Q'(900) = 0 C. Q(0) = 900 D. Q(900) = 0
Provide an appropriate response.What is the rule for multiplying a decimal number by 100,000?
What will be an ideal response?