Algebra 2 Final Exam Review

What does it mean to find the inverse of a function?

• the x's and y's are switched
• the x's and y's are divided by 2
• the x's and y's are made negative
• the x's and y's are the same

What is the inverse of the points
(1,3), (2,4), (6,8)

• (3,1), (4,2) and (8,6)
• (-3,-1), (-4,-2) and (-8,-6)
• (1,2), (3,4) and (6,8)
• (-1,-3), (-2,-4) and (-6,-8)

A function has a discriminant of 25.
______________
How many solutions does it have?

• 0
• 1
• 2
• 5

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

What is the domain of this function? #7

The dashed blue lines represent asymptotes

The graph of an arithmetic sequence is ​ ​ (a)   and the graph of a geometric sequence is ​ (b)   .

• linear
• exponential

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic
• Geometric
• Neither

Select all of the vertices of the feasible region:

When is this function increasing?

• (-3, 3)

• (-2.5, 2.5)

• [-3, 3]

• (3, ∞)

• y =  ^_(x + 2)(x - 1)²
• y = -(x - 2)(x + 1)²
• y = (x - 2)(x + 1)²
• y = -x³