Jawapan

2015-08-22T23:00:35+08:00
Cth soalan 
tukarkan f(x) = 2x+1 kpda gubahan sonsang
  
cara:
f(x) = 2x+1
 y = 2x+1
*biarkan "x" ddk sorg
 y-1 = 2x
y-1/2=x
 *ubah x jdi f^-1 (x) , y ubah jdi x
f^-1 (x) = x-1/2