exam Maths Puzzle Numerical Ability

Hi. Can I have some help with inverse functions?

If g(x) = -2x - 7, find g ^-1(3).

Read Solution (Total 0)

exam Other Question

For positive numbers a and b and natural number n show that 1/a+b + 1/a+2b +....+ 1/a+nb < n/squrt root a(a+nb). 1) 2^5/2 - 2^3/2=? This is the First One

2) x^2-x-6/x^2-4=? This is the Second One

Can Plz send me solution To this Problems it is really Urgent