exam Maths Puzzle Numerical Ability

Solve the following systems by substitution

4x- 12y= 5
-x +3y=-1

Read Solution (Total 0)

exam Other Question

I do not know if my question belongs in this category. But it deals with inverse functions.

The function is f(x) =

1
----------------------
x^3 + 12x^2 + 48x + 4 find the simple interes on $6000 borrowed for 3 years at 8.5 interest.