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The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)