What type of function is f(x) = -(x+1)(x-2)^2
1 answer:
Answer:
Cubic function
Step-by-step explanation:
Expand the brackets:
Therefore this is a cubic function as it is a polynomial function of degree three.
This is also a many-to-one function such that more than one element of the domain are connected to the same element in the range. For example,
f(0) = -4 and f(3) = -4. So when x is 0 and 3, y = -4. Hence, many-to-one.
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The probability of getting exactly 8 hits in his next 20 at-bats is 0.153 (Round off to the nearest thousandth.).
The correct option is (c)
<h3>What is Binomial distribution?</h3>Binomial distribution can be thought of as simply the probability of a SUCCESS or FAILURE outcome in an experiment or survey that is repeated multiple times.
Probability=
where, n= number of trial,
r= number of success desire,
p= probability of success,
q= probability of Failure
probability of success = 0.34
To find the probability of winning exactly 8 hits in next 20 at-bats we find
dbinom (8, 20, 0.34)
Since p= 0.34
q= 1-p
= 1-0.34
= 0.66
n= 20, r=8
Using Binomial Distribution, we get
Probability=
=
=
= 125970 x 0.0001785794 x 0.00683168
= 0.1536830
≈ 0.153 (Round off to the nearest thousandth.)
Hence, the probability of getting exactly 8 hits in his next 20 at-bats is 0.153.
Learn more about Binomial Distribution here:
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