Indicate whether the function is one-to-one.{(5, -3), (3, -5), (-4, 9), (4, -9)}
A. Yes
B. No
Answer: A
Mathematics
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Determine how many components the graph has.
A. 4 B. 3 C. 1 D. 2
Mathematics
Simplify the expression, and combine like terms.7(5x2 + 9y) - (4x2 - 3y)
A. 39x2 + 66y B. 31x2 + 60y C. 39x2 + 12y D. 31x2 + 66y
Mathematics
Solve the problem.What domain D in ?3 minimizes the value of the integral 
D
A. D = ?3
B. D = the boundary of the sphere 
.
C. D = the boundary and interior of the sphere 
.
D. No such maximum domain exists.
Mathematics
Determine whether the vectors v and w are parallel.v = 2i - j, w = 4i - 2j
A. Not parallel B. Parallel
Mathematics