exam Maths Puzzle Numerical Ability

how do you do it

Read Solution (Total 0)

exam Other Question

this one I am definitely confused,it is asking to write in the simplest form

y-2/y+3-y/2y+6=

please help show me how to do this.
help!!!!
if f(2x)=4/2+x

calculate
2f(x)=?