Multiple Choice
Which of the following functions is/are one-to-one?
(a) , (b) 1 -
, (c)
sgn(x) , (d) cos(x) on [0, ], (e) sin(x) on [0, ].
A) only (c) and (d)
B) only (d)
C) only (c) and (e)
D) only (a) and (b)
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q17: If y = arcsin(x) + arccos(x), find
Q18: Evaluate the derivative of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9661/.jpg" alt="Evaluate
Q19: Find the derivative of sech( <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9661/.jpg"
Q20: Solve the equation <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9661/.jpg" alt="Solve the
Q21: If 4 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9661/.jpg" alt="If 4
Q23: Find the general solution of the differential
Q24: Find <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9661/.jpg" alt="Find if
Q25: Simplify tan( <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9661/.jpg" alt="Simplify tan(
Q26: Find a positive number <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9661/.jpg" alt="Find
Q27: Find and simplify the derivative of <img