Suppose that 22 inches of wire costs 66 cents. At the same rate, how much (in cents) will 17 inches of wire cost?
cents
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Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²