y - 2418.6 = 5.9(x - 54) y - 2418.6 = 5.9x - 318.6 y = 5.9x + 2100 f(x) = 5.9x + 2100 (this is our function) . Now we can answer: What is the weight of the plane with 26 gallons of fuel in its tank? f(26) = 5.9(26) + 2100 = 2253.4 pounds (Put me as brainiest!!!! <3)
