Piece Wise Functions

Which equation and restricted domain match the graph shown?

What are the domain restrictions for the middle piece of this function?

• x ≥ 1

• x ≥ 2

• 2 ≤ x < 6

• 1 ≤ x < 3

The graph represents a piecewise function. How many pieces make up the function?

• 1

• 2

• 3

• 4

What is the value of the expression f(–3)?

• -15

• 3

• -3

• 15

What is the value of 2f(1)+f(-1)-f(3)?

• 9

• 8

• 0

• None of these

What is the vertex of the following function?
y=2|x-3|+1

• (2,3)

• (-3,1)

• (2,-3)

• (3,1)

Which equation would you use to find

• Top

• Middle

• Bottom

Evaluate the piece-wise function for the given values of x. f(x) = {x if x < -1 and -x + 4 if x > -1 Find f (-4)

• -4

• 4

• 0

• -3

Evaluate the piece-wise function for the given value of x. f (x) = { 5 if x < -2, 1/2x - 6 if -2 < x < 6, and -2x + 10 if x > 6 Find f (8).

• -8

• -6

• -2

• 5

What is f(1)?

• 3

• 1

• 0

• 2