Q.
The values of f(x)=3sin(π216−x2) lie in the interval
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a
(0, 32)
b
(−32, 32)
c
[0, 32]
d
[−32, 32]
answer is C.
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Detailed Solution
π216−x2≥0 ⇒−π4≤×≤π4 ∴Df=[−π4,π4]f(0)=3sinπ4=12 fπ4=3sin0=0 range is 0, 12
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