Simplify. Assume all variables represent nonnegative values.
A. 
t
B. 2t
C. 4t
D. -2t
Answer: B
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Solve the problem.Suppose f(x) = 33.1 + 1.2log (x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the depth (to the nearest tenth of a meter) where the salinity equals 35.
A. -0.9 m B. 39.3 m C. -1.0 m D. 37.3 m
Let 
. Find the composite function 
.
?
Please give the answer as an expression (not an equation).
What will be an ideal response?
Let U = {q, r, s, t, u, v, w, x, y, z}; A = {q, s, u, w, y}; 
and 
List the members of the indicated set, using set braces.(A ? B)'
A. {t, v, x} B. {r, s, t, u, v, w, x, z} C. {s, u, w} D. {r, t, v, x}
Let p represent "I eat too much," let q represent "I exercise," and let r represent "the food is good." Write the compound statement in symbols.If I exercise, then I don't eat too much.
A. r ? p B. ~(p ? q) C. q ? ~p D. p ? q