exam Maths Puzzle Numerical Ability

Let f(x)=4-x^ and g(x)=2-x. Find f(x)-g(x).

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exam Other Question

the demand and supply equations for a certain item are given by
d=-5p+40
S=-p^2+30p-8

Find the equillibrium price

A)1.43
B)1.57
C)1.71
D)1.29 3log2 x=1+log2 32