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(Choose 1 answer)
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A. (iii)
B. None of the other choices is correct
C. (i)
☐ E
D. (ii)
E. (iv)
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Determine where the function is increasing and
where it is decreasing:
f(x) = x²-18x² +4
(i) Decreasing on (-3, 0) and (3,00), increasing on (-00,-3) and (0, 3)
(ii) Decreasing on (-00,-3) and (3, co), increasing on (-3, 3)
(iii) Decreasing on (-0,-3) and (0, 3), increasing on (-3, 0) and (3,00)
(iv) Decreasing on (-3, 3), increasing on (-00,-3) and (3,00)
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