Determine whether each quadratic function has a maximum or minimum. 1. f(x) = (x - 2)(x+6)

2. f(x) = x^2+5x - 36

3. f(x) = -2x^2+4x-16

4. f(x) = -(x+2)^2 + 1
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Which of the following expressions is equal to 2x^2+8

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.

How many ordered pairs of positive integers satisfy xy=32?