Find the intervals in which the function f given by is (a) strictly increasing (b) strictly decreasing.
Calculating f(x)
Putting
Plotting points on the number line
Value of x | Intervals | Sign of | Nature of function f |
f is strictly increasing | |||
f is strictly decreasing |
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f is strictly increasing |
(a) f is strictly increasing in and
(b) f is strictly decreasing in