3) f is defined by: f:x > 3x-2 for x E R
g is defined by: g:x >6x-x
2 for x E R
Express gf(x) in terms of x, and hence show that the maximum value of gf(x) is 9.
i did the expression part...buh im confused in the second part...how to show it?
n yea one more thing....what does this mean "x E R"?
i don't remember our sir explaining this to us....n its der in our worksheet!