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The value of f(0) is 1
and
The roots of f(x) = 0 are -2 and -1
<h3>Graph of a function</h3>
From the question, we are to determine the value of f(0) and the roots of f(x) = 0
The value of f(0) is the value of f(x) or the value of y when x = 0
In the given graph, we can observe that the value of y when x = 0 is 2
∴ f(0) = 2
The roots of f(x) = 0 correspond to the values of x when f(x) = 0 or when y = 0
In the graph, we can observe that the values of x when f(x) = 0 are -2 and -1
∴ The roots of f(x) = 0 are -2 and -1
Hence, the value of f(0) is 1
and
The roots of f(x) = 0 are -2 and -1
Learn more on Graph of a function here: brainly.com/question/21265554
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Answer:
72%
Step-by-step explanation:
There are a total of 50 quizzes in the year
From the first 20, the student passes 60%. This makes a total of
![\frac{60}{100} (20) = 12](https://tex.z-dn.net/?f=%5Cfrac%7B60%7D%7B100%7D%20%2820%29%20%3D%2012)
12 passes
Out of the remaining 30 quizzes the student passes in 80% of them. This makes a total of
![\frac{80}{100} (30) = 12](https://tex.z-dn.net/?f=%5Cfrac%7B80%7D%7B100%7D%20%2830%29%20%3D%2012)
24 passes
Adding the two values
12 + 24 = 36
The student passes 36 quizzes out of 50.
We convert this to a percentage
%
Three added to the product of four and twelve
or
The product of four and twelve added by three