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प्रश्न
Show that the function given by f(x) = 3x + 17 is strictly increasing on R.
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उत्तर
We have f(x) = 3x + 17
f(x) being a polynomial function, is continuous and derivable on R.
f'(x) `3 > 0, x in R`
⇒ f is strictly increasing on R.
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