Subtract.
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Graph the function.y = -cos ?x
A. 
B. 
C. 
D. 
Mathematics
Write the vector in terms of the unit vectors i and j.v = 
A. -5 - 4j B. -5i - 4j C. -5i - 4 D. (-5 + i) - 4j
Mathematics
Three neighbors need to locate their mailboxes so that the mail carrier will only need to make one stop each day for all three of them.They decide to choose a spot for the mailboxes so that each neighbor is required to walk the same distance from his/her home to the mailbox. If points A, B, and C represent the three homes, where should they place the mailboxes? Justify your answer.
Mathematics
Perform the indicated operations.( 3x2 + 5x - x3 + 7) - ( 9x2 - 2x - x3 + 6)
A. -7x2 + 3x - 13 B. -6x2 + 7x + 1 C. -6x2 - 7x - 13 D. -7x2 - 2x3 + 3x + 1
Mathematics