Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -x2 + 2x + 8
A. Increasing on (- 1, ?); decreasing on (-?, - 1)
B. Increasing on (-?, - 1); decreasing on (- 1, ?)
C. Increasing on (-?, 1); decreasing on (1, ?)
D. Increasing on (1, ?); decreasing on (-?, 1)
Answer: C
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Use properties of logarithms to write each expression as a single logarithm. Assume that variables represent positive real numbers, with base ? 1.5loga t - loga s
A. loga t5 ÷ loga s
B. loga 
C. loga(t5 - s)
D. loga 
Use a calculator to find 
.
?
Please round the answer to the nearest thousandth.
Fill in the blank(s) with the appropriate word(s).
Write the first four terms of the sequence.an = 
A. a1 = -1, a2 = 
, a3 = - 
, a4 = 
B. a1 = 1, a2 = - 
, a3 = 
, a4 = - 
C. a1 = 1, a2 = - 
, a3 = 
, a4 = - 
D. a1 = 1, a2 = 
, a3 = - 
, a4 = 
Solve the problem.A banquet dinner is being organized by a club. The actual cost of the dinner is $16 per person. The members are to pay $4 to attend, with the club making up the difference. What percentage of the dinner's cost is the club going to pay?
A. 85% B. 80% C. 70% D. 75%