Algebra 2 Functions and Relations
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Tickets to a concert are available online for $25 plus a one-time handling fee of $1.75.The total cost is a function of the number of tickets bought. What function rule models the cost of the concert tickets? Evaluate the function for 6 tickets.
25t + 1.75; $151.75
For f(x)= 5x + 1, find f(-4).
-19
Make a mapping diagram for the relation ((-2,-6), (0,3), (1,-5) (5,0))
-2 -> -6 0 -> 3 1 -> -5 5 -> 0
Use the vertical line test to determine which graph represents a function.
The graph with the singular horizontal line.
Graph the relation. Find the domain and range. (-1, 1/2), (-1/2, -1), (3/2, 0), (2, 3/2)
domain: (-1, -1/2, 3/2, 2) range: (-1, 0, 1/2, 3/2)
Is the relation a function? {(14, 15), (5, 7), (3, 10), (11, 1), (5, 8)}
no
