What see of ordered pairs satisfy the equation f(x) =x? a. {(3, 3), (1, 1), (2, , 5), (4, 4)} b.{(3, -2), (1, - 2,-3), (5, 0), (4, -1)} c.{(3, -3), (1, (2, -2), (5, -5), 7,-7) } d.{(1, 0), (2, 1) (3, 2), (4, 3), (5, 4) }

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}