Find the values of x where the tangent line is horizontal for the graph of 
A. x = -2, x = 0, x = -4
B. x = 0, x = -2
C. x = -2
D. x = 0, x = -4
Answer: D
Mathematics
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Determine whether the equation defines y as a function of x.
?
?
A. no B. yes
Mathematics
Write a quadratic equation having the given solutions.3i, -3i
A. x2 - 9 = 0
B. x2 + 9 = 0
C. 
2 = 0
D. x2 - 6ix + 9 = 0
Mathematics
Verify the identity.
= 
What will be an ideal response?
Mathematics
Perform the indicated operation or operations. Write the answer in simplest form. If the problem contains mixednumbers and the answer is an improper fraction, express the answer as a mixed number.2
÷ 1
A. 1
B. 1
C. 2
D. 1
Mathematics