Algebra 2 Warmups 2.2

State the Domain and Range of each relation

 1.
x
y
2
 7
8
4
-2
9

 2.
Day 12 2.2.2

 3.
Is it a function? Write Yes or No.
A)Day 12 2.2.3
B)Day 12 2.2.3b

 4.
Find the value if f(x) = 2x – 7 and g(x) = x³ – 2x 
f(3)

 5.
g(-4)

Answers: (1. Domain: {-2,2,8} Range: {4,7,9}, 2. Domain: {5,6,8}, Range: {11,13,17}, 3. A. yes  B. no, 4. f(3) = -1, 5. g(-4) = -56)

(source)