exam Maths Puzzle Numerical Ability

simplify and combine like radicales

3~3:(8x)+3~3:(27x)

Read Solution (Total 0)

exam Other Question

I need to find the inverse of f(x)=(1/3)2^x-2
Can I write this out as y=(1/3)2^x-2 ?
Then can I switch out x and y so x=(1/3)2^y-2 then multiply both sides by 3 so that 3y=2^x-2. Solve, [(a^3x+1)^2]/a^4=a^10x, a>0 and a does not equal-1