the-function-f-x-is-defined-by-f-x-x-1-for-x-3-kx-8-for-x-3-find-the-value-of-k-

Question Number 37911 by Rio Mike last updated on 19/Jun/18

the function f (x) is defined by

f (x) = {\begin{cases} - x + 1, f o r x ⩽ 3 \\ k x - 8, f o r x ⩾ 3 \end{cases}

f i n d t h e v a l u e o f k .

Commented by math khazana by abdo last updated on 19/Jun/18

i f k i s c o n t i n u e w e g e t 3 k - 8 = - 2 \Rightarrow 3 k = 6 \Rightarrow

k = 2 .