1111 Math October 11, 2007 1)
Test 2A 2.1, 2.2, 2.5, 2.6
Name _______________________
Answer the questions below referring to this relation: a) Is it a function? b) c) d) How do you know? What is the domain? What is the range?
{ ( - 3,4) ( 0,2) ( 7 ,7 ) ( - 2,5) ( 9, - 5)}
2)
2 Given the following function: f ( x ) = - x - 3 x + 4 ,
find
f ( - 1)
For the problem below, answer the questions underneath: 3 f ( x) = 3) x-7 a) b) name ________________________ domain _______________________
For each of the problems below, answer the questions underneath the problem: 1 y = x2 - 3 4) 5) y = 23 x 5 a) b) c) d) e) f) g) name Is it a function? How do you know? What is the domain? What is the range? Is it even, odd, or neither? How do you know? a) b) c) d) e) f) g) name Is it a function? How do you know? What is the domain? What is the range? Is it even, odd, or neither? How do you know?
6)
y = x3 - 7 x
7)
y =-x +4
a) b) c) d) e) f) g)
name Is it a function? How do you know? What is the domain? What is the range? Is it even, odd, or neither? do How you know?
a) b) c) d) e) f) g)
name Is it a function? How do you know? What is the domain? What is the range? Is it even, odd, or neither? How do you know?
8) x2 + y 2 = 4 Solve for y (Show work!):
9) y2 = x - 2 Solve for y (Show work!):
a) b) c) d) e)
name Is it a function? How do you know? What is the domain? What is the range?
a) b) c) d) e)
name Is it a function? How do you know? Is it even, odd, or neither? How do you know?
10) a) b) c) name Is it a function? How do you know?
y = x+5 d) e) What is the domain? What is the range?
11) Given the following equation: Describe the following transformations:
y= x...