Assuming all variables are positive, use properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms.log16 
A. log16 (9
) - log16 s
B. log16 9 ? 
log16 r ÷ log16 s
C. log16 9 + 
log16 r - log16 s
D. log16 s - log16 9 - 
log16 r
Answer: C
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Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are isosceles right triangles with one leg on the base of the solid.
A. 
?
B. 2?
C. 
?
D. 
?
Provide an appropriate response.Which of the following statements defines 
f(x) = ??I. For every positive real number B there exists a corresponding positive real number N such that f(x) > B whenever x > N.II. For every positive real number B there exists a corresponding negative real number N such that f(x) > B whenever x < N.III. For every negative real number B there exists a corresponding negative real number N such that f(x) < B whenever x < N.IV. For every negative real number B there exists a corresponding positive real number N such that f(x) < B whenever x > N
A. I B. II C. IV D. III
Construct a truth table for the statement.~(p ? q) ? ~(p ? q)
A. 
| T | T | T |
F T T
F F T
B.
| T | T | F |
F T T
F F T
C.
| T | T | F |
F T F
F F T
D.
| T | T | T |
F T F
F F T
Simplify the power of i.
A. -1 B. -i C. 1 D. i