F(x) = 4x4- 7x+ 8x3 g(x) = 2x4+ x+ 5x2 Find g(x)- f(x)

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Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k