Find the number of miles that Morgan can drive, d(s), as a function of the amount she spends on gas, s. Over the weekend, Rachel and Morgan drove to Chicago to go shopping. Now they're preparing to go home. Morgan needs gas for her jeep, which gets 27 miles per gallon for gas mileage. When she stops at the gas station, she already has 8 gallons of gas in her tank. she buys more gas for $1.50 per gallon. d(s)=