Provide an appropriate response.State the range of the inverse tangent function.
A. 
B. 
C. [-1, 1]
D. (-?, ?)
Answer: B
Mathematics
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Use a graphing calculator to make a conjecture as to whether each equation is an identity.cos 2x = 2cos2x - 1
A. Identity B. Not an Identity
Mathematics
Translate the problem to a system of equations, then solve using Cramer's Rule.Jerry has 3 pieces of string. The total length is 82 inches. The sum of the two longer pieces is 70. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?
A. 6, 12, and 64 inches B. 12, 24, and 46 inches C. 12, 46, and 56 inches D. No solution
Mathematics
Solve.Given log102 = 0.3010 and log103 = 0.4771, evaluate log10 12.
A. 0.2872 B. 1.0791 C. 1.2552 D. 0.5677
Mathematics
Perform the indicated operation. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics