1)Which of the ordered pairs is NOT a function?
a) {(3,3),(3,4),(4,5),(4,6)}
b) {(0,8),(8,4),(2,7),(-2,6)}
c){ (-1,3), (1,7), (7,4),(-3,8) }
d) { (-6,5),(5,1),(7,4),(-3,8) }
Help

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

Which number completes the inequality? 2/3 < _ < 7/9