A function f : R R where R is the set of real numbers is defined by f (x) = . Find the interval of values of α for which f is onto. Is the function one to one for α = 3? Justify your answer.
a) 2 ≤ α ≤ 14
b) α ≥ 2
c) α ≤ 14
d) none of the above
If f1 ( x ) and f2 ( x ) are defined by domains D1 and D2 respectively, then f1 ( x ) + f2 ( x ) is defined as on D1 D2.
a) True
b) False