Math Chapter 2 Test 2

14 cards   |   Total Attempts: 188
  

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Cards In This Set

Front Back
When identifying the intervals for increasing, decreasing, and constant, which variables do we focus on?
The x's
because we are looking from left to right
mark the changes on the x-axis
Question 2
When is a graph increasing?
Answer 2
The picture is rising (as you move from left to right)
When is a graph decreasing?
Answer 3
The picture is "falling" (as you move from left to right)
When is a graph constant?
Answer 4
The picture doesn't change (as you move from left to rignt)
What is the sentence for Relative Maximum/Minimum?
Relative (maximum/minimum) of (y-value) when x = (x value)
What is a relative maximum?
The highest point in a region. (a hill)
What is a relative minimum?
The lowest point in a region. (a valley)
Question 8
What is the equation for this graph?
Y = x
Question 9
What is the equation for this graph?
Y = x2
Question 10
What is the equation for this graph?
Y = /x (square root of x)
Question 11
What is the equation for this graph?
Y = 1/x
How do you find the solution for (f <> g) (#) when <> is addition, subtraction, multiplication, or division?
Find f(#)
Find g(#)
Then perform the operation <> on the two answer
How is the domain of f/g different from f+g, f-g, or fg?
The domain if f/g is the domain of the others minus all the numbers where g(x) = 0.
How do you evaluate (fog)(#)?
Find g(#).
Then plug the answer from above into f.
The answer from the second step is the answer to the question.