exam Maths Puzzle Numerical Ability

Find

(f-h)(-3) if f(x) = (x+1)^2; D = {Reals}, and h(x); D = {Integers}

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exam Other Question

Thirteen years from now Amanda will be twice as old as she was seven years ago. Her present age is? (4x^4 z^2)^5 (x^3 yz^2)^4