Decide on a suitable restriction on the domain so that the function is one-to-one and the range is not changed.f(x) = (x + 19)2 

A. [-19, 19)
B. [19, ?)
C. [-19, ?)
D. (-19, 18)


Answer: C

Mathematics

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A. Symmetric about the y-axis

B. No symmetry

C. No symmetry

D. Symmetric about the y-axis

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