Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. Not one-to-one
D. f-1(x) = 
Answer: A
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Calculate the number of subsets and the number of proper subsets for the set.
A. 14; 15 B. 15; 16 C. 16; 15 D. 15; 14
Solve the problem.A ship travels 64 km on a bearing of 14°, and then travels on a bearing of 104° for 139 km. To the nearest kilometer, find the distance from the start to the end of the trip.
A. 15 km B. 153 km C. 203 km D. 62 km
Find the domain of the function.f(x) = 
A. (-?, 1) ? (1, ?) B. (-?, -1) ? (-1, 1) ? (1, ?) C. (-?, ?) D. (1, ?)
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 the food is not good, then I don't eat too much.
A. ~p ? ~r B. r ? ~p C. ~(r ? p) D. ~r ? ~p