exam
Maths Puzzle
Numerical Ability
Thirteen years from now Amanda will be twice as old as she was seven years ago. Her present age is?
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exam Other Question
Simplify the following expressions. Write the answers with positive exponents only.
(x²)-³(x-²)
__________
(x²)^-4
Find
(f-h)(-3) if f(x) = (x+1)^2; D = {Reals}, and h(x); D = {Integers}