Mathematics, 25.02.2021 21:20 hahah265
Given the function f(x) = x2 and k = −1, which of the following represents a function opening downward? (2 points)
a
\large x^2-1
b
\large -1x^2
c
\large x^2+1
d
\large x^2
Answers: 2
Mathematics, 21.06.2019 15:30
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Answers: 1
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The probability of drawing a heart from a standard deck of cards is .25. you record the card you draw and return the card before shuffling to ensure a binomial distribution. if you do this 20 times what is the probability that you will draw a heart 7 times? a. 0.888 b. 0.001 c. 0.112 d. 0.473
Answers: 3
Given the function f(x) = x2 and k = −1, which of the following represents a function opening downwa...
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