Tell whether or not the relation is a function.{(-8, 1), (-3, 8), (-2, -8), (3, -4)}
A. Yes
B. No
Answer: A
Mathematics
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Solve using matrices.6x + 4y = 93x - y = 9
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of the function.
Mathematics
Solve the inequality. Express your answer using interval notation.
- 5 ? 1
A. [-7, 1] B. (-7, 5) C. no solution D. [-7, 5]
Mathematics
A 22-foot ladder leaning against the side of a house makes a 77° angle with the ground (see figure). How far up the side of the house does the ladder reach? Round your answer to four decimal places.
?
?
?
A. 21.4361 feet B. 22.5787 feet C. 4.9489 feet D. 5.0791 feet E. 97.7991 feet
Mathematics