A motor boat whose speed is 16 km/h in still water takes 2 hours more to go 60 km upstream than to return to the same sport. Find the speed of the stream.
Answers
Step-by-step explanation:
Evaluate →0
4
|2|
a) 2 b) -2 c) does not exist. d) 0
2)
→2+
2+
4−
2
=
a) 1 b) −∞ c) ∞ d) none of these.
3) The value of the limit
→0+
7
5
3
is
a) -7/5 b) +∞ c) −∞ d) 7/5
4) →2−
2−4
|−2|
=
a) -4 b) does not exist. c) 0 d) 4
5) If [x] is the bracket/greatest integer function, then value of the limit →3−
[]
2
is
a) 1/2 b) 1/3 c) 4/3 d) -1
6) Given that 9 − 6
2 ≤ () ≤ −5 + 8 then the value of lim→1
() is
a) 1 b) 3 c) -1 d) not unique
7) The value of derivative of f (x) = |x –1| + |x –3| at x = 2 is
a) 2 b) -2 c) -1 d) 0
8) →2 −
[]
||
=
a) ∞ b) +1 c) -1 d) 1/2
9) Functions defined by () = √ and () = √1 − . The Domain of f.g is
a) [0, ∞) b) (−∞, 1] c) [0,1] d) (0,1)
10) The range of the function √ is
a) [0, ∞) b) (0, ∞] c)