Find the domain of the function.f(x) = 
A. {x|x ? 18}
B. {x|x ? 3
}
C. {x|x ? 18}
D. {x|x ? 3
}
Answer: C
Mathematics
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Find the distance between a and b.
?
?
A. ?
B. 
C. 0
D. 
E. 
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Find the perimeter of the figure.
A. 47 cm B. 89 cm C. 94 cm D. not enough information given
Mathematics
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
Find the range of the function.f(x) = 5x2 + 20x + 18
A. (-?, 0] B. [-2, ?) C. (-?, -2] D. [0, ?)
Mathematics