Determine whether or not the relationship shown in the table is a function.
Does the table define y as a function of x?
A. Yes
B. No
Answer: B
Mathematics
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Simplify the expression by combining any like terms.6x + x - 2x + x
A. x2 + 4x B. 4x C. -x2 + 4x D. 6x
Mathematics
Solve.(x - 1)2 = -49
A. 1 ± 7i B. 1 ± 7 C. 7i D. 7i + 1
Mathematics
Simplify.-8(2x - 4y) - 3(-x + 2y)
A. -13x + 26y B. 8x + 26y C. -13x + 2y D. -12x + 27y
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
A. x7
B. 
C. x15
D. 
Mathematics