Find the domain and the range for the function.
A. D: (-?, 4], R: [0, ?)
B. D: [0, ?), R: (-?, 4]
C. D: (-?, ?), R: [0, ?)
D. D: (-?, 4], R: [4, ?)
Answer: A
Mathematics
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Find all points where the function is discontinuous.
A. x = 3 B. None C. x = 0, x = 3 D. x = 0
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Multiply.(7x - 9y)2
A. 7x2 + 81y2 B. 7x2 - 126xy + 81y2 C. 49x2 + 81y2 D. 49x2 - 126xy + 81y2
Mathematics