This question is designed to be answered with a calculator. Which are the solutions to the equation cos x = 0.9 over the interval 0 ≤ x ≤ π?

0.451 only
0.622 only
0.451 and 2.691
0.622 and 2.520

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8

If log(a) = 1.2 and log(b)= 5.6, what is log(a/b)? a. 4.4b. 6.8c. not enough informationd. -4.4