exam Maths Puzzle Numerical Ability

let f(x)=2x+1 evaluate f as indicated f(5+h)

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exam Other Question

can you tell me if this problem is correct (3-2i)-(6+5i)

(3-2i)-(6+5i)=3-6-2i-5i=-3-7(-1)=-3+7=4 Divide the following fraction:
6p-18/9p by 3p-9/p^2+2p