Find the domain of the function.f(x) = 
A. (-?, 8) ? (8, ?)
B. 
? 
? (8, ?)
C. (-?, -8) ? 
? 
D. 
? 
Answer: B
Mathematics
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Multiply.9(-4)(-4)
A. -72 B. 144 C. 154 D. -144
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Solve.5x - 17 - 4x = -6
A. x = -23 B. x = 11 C. x = 23 D. x = -11
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Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Mathematics
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(3x2 + 2x + 7) + (6x2 - 5x + 9)
A. 13x2 - 2x + 11 B. 9x2 - 3x - 16 C. 9x2 - 3x + 16 D. 9x2 + 3x + 16
Mathematics