Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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Let f (x) = x logą x.
The graph of f is concave upward on the interval (0, 0) if the base a is in the interval
ㅇ (-8, 8)
ㅇ (-0, r)
ㅇ (-8, r]
ㅇ (r, o)
O (-r, ∞)
O (-∞, r) U (s, ∞)
O (-~, r] U [s, ∞)
O (r, s)
O [r, s]
O None
r =
S =
The graph of f is concave downward on (0, ∞) if the base a is in the interval
ㅇ (-8, 8)
ㅇ (-8, t)
O (-∞, t]
ㅇ (t, o)
O [t, o)
O (-∞, t) U (u, ∞)
ㅇ (-8, t] U [u, 8)
O (t, u)
O [t, u]
O None
t =
u =
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Transcribed Image Text:Let f (x) = x logą x. The graph of f is concave upward on the interval (0, 0) if the base a is in the interval ㅇ (-8, 8) ㅇ (-0, r) ㅇ (-8, r] ㅇ (r, o) O (-r, ∞) O (-∞, r) U (s, ∞) O (-~, r] U [s, ∞) O (r, s) O [r, s] O None r = S = The graph of f is concave downward on (0, ∞) if the base a is in the interval ㅇ (-8, 8) ㅇ (-8, t) O (-∞, t] ㅇ (t, o) O [t, o) O (-∞, t) U (u, ∞) ㅇ (-8, t] U [u, 8) O (t, u) O [t, u] O None t = u =
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