Use the graph to determine the domain and range of the function. 
A. domain: all real numbers
range: all real numbers
B. domain: all real numbers
range: {y|y ? -2, y ? 2}
C. domain: {x|x ? -2, x ? 2}
range: all real numbers
D. domain: {x|x ? -2, x ? 2}
range: {y|y ? 0}
Answer: C
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Perform the indicated operations. Write the resulting polynomial in standard form.(7x5 + 6x2 - 9x) + (3x5 - 3x2 - 9x)
A. -5x8 B. 10x + 3x5 - 18x2 C. 10x5 + 3x2 - 18x D. -6x5 + 4x2 - 3x
Simplify the fraction to lowest terms.
A. 
B. 25
C. 
D. 
Solve the equation. Round the solution to the nearest tenth.-5.7 = 
A. -27.6 B. -10.55 C. 6 D. -1.18