Which of the following is the best use for the sign chart when graphing rational functions?
O
A. To determine the slope for the graph of F(x)
B. To determine where the vertical asymptotes are for the graph of
F(x)
C. To determine if the graph of F(x) is straight or curved
D. To determine where the maximum is for the graph of F(x)

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.

The hockey team has been great! in 2008, they won 20% more games than in 2007 in 2009 they won 50% more games than in 2008 what was their overall percentage increase from 2007 through2008?