Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 
- 4 = 
A. {16}
B. {x|x is a real number}
C. {0}
D. ?
Answer: D
Mathematics
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Factor out the GCF from the polynomial.5x4 + 11
A. 5
B. No common factor
C. 5(x4 + 11)
D. 5(x4 + 55)
Mathematics
Graph f. Use the graph to determine whether f is continuous.
A. Continuous B. Not continuous
Mathematics
Use the properties of logarithms to rewrite the logarithm if possible. Assume that all variables represent positive real numbers.log6 10x
A. log3 10 - log3 x B. log6 10 + log6 x C. log6 10 - log6 x D. log3 10 + log3 x
Mathematics
Determine whether the system is consistent.5x1 + 2x2 + x3 = -112x1 - 3x2 - x3 = 177x1 + x2 + 2x3 = -4
A. Yes B. No
Mathematics