Fill in the blank.The opposite of -13 = 
.
A. 13
B. 0
C. -13
D. 
Answer: A
Mathematics
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A. 75 B. 225 C. 450 D. 300
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Express the sum or difference as a product.sin 8x - sin 2x
A. 2 cos 2x cos 5x B. 2 sin 3x C. 2 sin 5x cos 3x D. 2 sin 3x cos 5x
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Graph the two functions on one coordinate plane.f(x) = x3g(x) = (x - 5)3 + 6
A. 
B. 
C. 
D. 
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By graphing the function, visually estimate its domain and range.g(x) = x2 - 7
A. Domain: [7, ?); range: (-?, ?) B. Domain: (-?, ?); range :[-7, ?) C. Domain: [7, ?); range: [7, ?) D. Domain: (-?, ?); range: (-?, ?)
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