Determine the x values that cause the function to be (a) zero, (b) undefined, (c) positive, and (d) negative.f(x) = 
A. (a) {1}, (b) {7} ?(-?, -1), (c) (1, 7), (d) (-1, 1) ? (7, ?)
B. (a) {1}, (b) {7} ? (-?, -1) , (c) (-1, 1) ? (7, ?), (d) (1, 7)
C. (a) {1, 7}, (b) (-?, -1), (c) (-1, 1) ? (7, ?), (d) (1, 7)
D. (a) {1, 7}, (b) (-?, -1), (c) (1, 7), (d) (-1, 1) ? (7, ?)
Answer: B
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Solve the linear programming problem.A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400 and the average monthly salary of an aide is $1100. The camp can accommodate up to 35 staff members and needs at least 20 to run properly. They must have at least 10 aides, and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
A. 19 counselors and 23 aides B. 8 counselors and 12 aides C. 13 counselors and 17 aides D. 13 counselors and 16 aides
Find the limit of the sequence or state that it diverges.
A. diverges B. 0 C. -1 D. 1
Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Determine any point(s) of intersection between the following equations.
a. 
b. 
c. 
d. 
e. 