If #f(x) = 6x-4#, what is #f^-1(x)#?
1 Answer
Jul 14, 2017
Here it is.....
Explanation:
-
Let
#f(x)=color(red)y# so that it is easily replacable -
Then make
#x# in terms of#y# #color(red)(y)=6color(blue)(x)-4# #6color(blue)(x)-4=color(red)(y)# #6color(blue)(x)=color(red)(y)+4# #color(blue)(x)=(color(red)(y)+4)-:6# -
Replace the
#color(blue)(x)# by#f^-1(x)# and replace the#color(red)(y)# by the#color(blue)(x)#