Which function represents the sequence -5.5, -4.75 -4,-3.25, ?
fresh
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a. f(n) = -0.75+5.5(n-1)
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b. f(n) = -5.5 -0.75(n-1)
c. f(n) = -5.5 +0.750
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d. f(n) = -6.25+0.75n

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

Put the equation in slope intercept form by solving for y

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?