Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If f(x) = 
sin x + cos x + 4 then
A
dom f = R
B
range f = [–2, 2]
C
dom f = 
D
range f = [2, 6]
Text Solution
Verified by ExpertsThe correct answer is:
A
(a & d)
Since domain of sin x and cos x is R so dom
f = R . Also f(x) = 
+ 4 = 2 sin (x + π /6) + 4. Since range of sin x is [ –1, 1],
So the range of f = [2, 6]
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