William needs to find a route to a freight train that is 20 feetat its tallest point and 10 feet at its widest point within 3 days.The most direct path includes a single track tunnel that needs 24hour notice prior to use. If the tunnel is roughly modeled by f(x)= -0.1x^2 + 3.2x 3.5 , should he make arrangements for the trainto use the tunnel?
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