Select all the correct answers.
Which of these pairs of functions are inverse functions?
o fla)= 25–1+1 and g(x)= log, (t-1)-1
o flas={n(1)-1) and g(a) = 2e21+1
- fix = 4in(s?) and 91:1=27
flr)=105–10–10 and g(a)=log, (+10)—10

Find the magnitude of the torque about p if an f = 80-lb force is applied as shown. (round your answer to the nearest whole number.) ft-lb

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.