Which of the following equivalent forms of the equation y -4x -12x-7 can best be used to find the minimum value of y ? O y--- - 16 O y = (2x - 7)(2x+1)

The profit (in hundreds of dollars) from the sale of a sets of car tires and y sets of truck tires is given by P(x, y) = − x² − y² + 2x + 6y. Find the values for x and y that will generate the maximum profit and the maximum profit, if the company must produce 4 sets of tires. set(s) of car tires and The company must sell maximum profit of $ set(s) of truck tires for a

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When a ball is tossed into the air, the height h is feet of the ball t seconds from the time that the ball is released is given by the formula h(x)=−16t2+80t+4. Determine the maximum height of the ball and the time that the ball will obtain that height