Functions and Relations

Determine whether the relation is a function

• yes

• no

Evaluate the function f(x) =x - 9 for f(-1)

• 9

• -9

• 10

• -10

Determine whether the relation is a function

• yes

• no

Write the domain of the relation

• {-6,3,0,6}

• (-6,-3,0,3,6}

• {-3,-1,1,3,5}

• {(-6,-3),(-3,-1),(0,1),(3,3),(6,5)}

Refer to the graph, for what value of x is f(x)=2

• {-1}

• {-1,2}

• {2}

• [-1,2]

Refer to the graph, determine f(-1)

• 0

• -4

• undefined

• (-∞,+∞)

Determine the range of the given graph

• (-∞,+∞)

• (-∞,4)

• (-∞,4]

• (-∞,4]

Determine the domain of the given graph

• (-∞,+∞)

• [-4,1)∪(1,+∞)

• (-4,3]

• [-4,3]

Determine the y-intercept(s)

• (-1,0)

• (0,-1)

• {1,-4}

• (0,-4)

Determine the x-intercept(s)

• x={-3,2,5}

• (-∞,+∞)

• (2,0)

• (-3,0),(2,0),(5,0)