Simplify the expression.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the exact value. Do not use a calculator.cot 0
A. 
B. 1
C. 0
D. undefined
Mathematics
Find the pivot in the tableau.
A. 2 in row 1, column 1 B. 2 in row 2, column 1 C. 4 in row 2, column 2 D. 4 in row 1, column 3
Mathematics
Find all of the real zeros of the function. Give exact values whenever possible. Identify each zero as rational or irrational.f(x) = x4 + 7x3 + 7x2 - 35x - 60
A. -3 (rational), -4 (rational), 2 + 
(irrational), and 2 - 
(irrational)
B. -3 (rational), -4 (rational), 
(irrational), and -
(irrational)
C. 3 (rational), 4 (rational), 2 + 
(irrational), and 2 - 
(irrational)
D. 3 (rational), 4 (rational), 
(irrational), and -
(irrational)
Mathematics
Evaluate the exponential expression.(-1)8
A. 8 B. -8 C. 1 D. -1
Mathematics