Determine where the function is increasing and where it is decreasing.f(x) = -2x2 - 2x - 8
A. decreasing on 
increasing on 
B. increasing on 
decreasing on 
C. increasing on 
decreasing on 
D. increasing on 
decreasing on 
Answer: B
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Solve the problem.Suppose you invest $P on a CD paying 3.65% interest compounded continuously for a term of 125 days. At the end of the term you get $4050.31 from the bank. Find the value of the original principal P. Round your answer to the nearest dollar.
A. $3955 B. $4000 C. $4025 D. $3975 E. $4015
Provide an appropriate response.Perform the indicated operation, leaving the answer in lowest terms: 
- 
=
A. 
B. 
C. 
D. 
Find a symbolic representation for f-1(x).f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. Not a one-to-one function
D. f-1(x) = 
Solve for x. Assume that a and b represent positive real numbers.144x2 = 49a
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {
, 
}