SHOW THAT f(x)=4x is continuous for all x belongs to R.

Asked by Rashmi gondi | 21st Dec, 2013, 07:03: PM

Expert Answer:

Here, f(x)=4x is a straight line.
A function is continuous if it is defined at all points in its domain.
Since f(x) is a striaght line, it is defined at all points in the domain, which is the set of all real numbers.
Thus, it is continuous.

Answered by Vimala Ramamurthy | 22nd Dec, 2013, 12:22: PM

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