Set 1
1. Function expressed by ordered pairs: determine whether each relation is a function
[(2, -5), (2,5) (3, 10)]
[(3,6), (6.3)]
2. Function notation: left f(x) = 3x -2, g(x) = -x^2 + 3x - 2, and h(x) = |x + 2| evaluate each expression
-f(100)
-g(-3)
-h(-19)
3. Perimeter of a square. Find a formula that expresses the perimeter of a square P as a function of the length of its side s.
Set 2
1. Solving a system by graphing
Y = 2x + 1
X + y = -2
2. The graphs of the following are given in (a) through (d). Match each system with the correct graph.
4x + 5y = -2
4y - x = 11
3. Solve each system by substitution. Determine whether the equations are independent, dependent or inconsistent
i. 2y = x + 6
-3x + 2y = -2
ii. y = 3(x - 4)
3x - y = 12
4. Different growth rates. The combined population of Marysville and Springfield was 25,000 in 2000. By 2005 the population of Marysville had increased by 10%, while Springfield had increased by 9%. If the total population increased by 2380 people then what was the population of each city in 2000?
5. Finding more numbers. The sum of two numbers is -16 and their difference is 8. Find the numbers.
6. Ticket sales. Tickets for a concert were sold to adults for $3 and to students for $2. If the total receipts were $824 and twice as many adult tickets as student tickets were sold then how many of each were sold?