Ok so the line of symmetry is x=-4
The vertex is (-4,-2)
The domain is: xER
The range is: yE(-infinity, -2)
The translations are: reflection over the x axis, translated left 4 and down 2
I don’t know the rest sorry
Answer:
Please see picture below.
Step-by-step explanation:
The probability that at least one of the calculators is defective is : 0.725
<h3>What is probability?</h3>
Probability is the likelihood of an event happening or not.
if there is certainty that the event would happen probability is 1.
Analysis:
probability = required outcome/possible outcome
for 33 good calculators and 12 defective calculators, total calculators = 45
4 calculators were chosen, possible outcome = 45C4 = 148995
Required outcome = 33C3 . 12C1 + 33C2 . 12C2 + 33C1 . 12C3 + 33C0 . 12C4
= 65472 + 34848 + 7260 + 495 = 108075
Probability = 108075/148995 = 0.725
Learn more about Probability: brainly.com/question/25870256
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Answer:
a
Step-by-step explanation:
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