Practice Test 2

Find the inverse function

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Find the inverse of the function
f(x) = 3x − 5

• f^-1(x)=3x +5
• f^-1(x)=(x+5)/3
• f^-1(x)=3y-5
• f^-1(x)=3y+5

What are the x-intercepts?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

Which equation describes the line of symmetry?

• y = -4

• y = 4

• x = 4

• x = -4

What is the equation of the graph below?

• f(x) = I x + 2 I 
• f(x) = I x + 2 I +2
• f(x) = I x - 2 I +2
• f(x) = I x - 2 I 

Identify the equation of the graph.

• y = |x - 1| - 1
• y = |x + 1| - 1
• y = |x - 1| +1
• y = |x + 1| + 1

What is the equation of the graph below?

• f(x) = - I x + 2 I 
• f(x) = - I x - 2 I 
• f(x) =  I x + 2 I 
• f(x) =  I x - 2 I 

Determine if the function graphed has a maximum or a minimum value and identify that value.

• maximum at -1

• minimum at -1

• maximum at 4

• minimum at 4

What is the minimum value of the quadratic function?

• -3

• -1

• All real numbers

• 1

The domain of a linear function is { x: x< 0} and the range is {y: y=6}. The inverse of this function is domain { x: x= 6} and {y: y<0}

• TRUE

• FALSE