TEST BANK FOR Precalculus, 4th Edition(Young) Chapter 1-11

TEST BANK FOR
b b


Precalculus, 4th Edition(Young)
b b


Chapterb1-11


Chapterb1 FunctionsbandbTheirbGraphs

1.1 Functions

1) bClassifybthebfollowingbrelationshipbasbabfunctionborbnotbabfunction.
{(-17,b20),b(17,b20),b(-12,b20),b(1,b20)}
A) abfunction
B) notbabfunction
C) don'tbknow
bAnswer:b A

Diff:b1 Var:b1
Chapter/Section:b b Chb01,bSecb01

2) Classifybthebfollowingbrelationshipbasbabfunctionborbnotbabfunction.
{(9,b-18),b(9,b-2),b(9,b15),b(9,b-3)}
A) abfunction
B) notbabfunction
C) don'tbknow
bAnswer:b B

Diff:b1 Var:b1
Chapter/Section:b b Chb01,bSecb01

3) Classifybthebfollowingbrelationshipbasbabfunctionborbnotbabfunction.
{(15,b10),b(-10,b-20),b(-20,b-16),b(-14,b1),b(-12,b-14)}
A) abfunction
B) notbabfunction
C) don'tbknow
bAnswer:b A

Diff:b1 Var:b1
Chapter/Section:b b Chb01,bSecb01

4) Classifybthebfollowingbrelationshipbasbabfunctionborbnotbabfunction.
{(4,b10),b(18,b-2),b(12,b2),b(4,b16)}
A) abfunction
B) notbabfunction
C) don'tbknow
bAnswer:b B

Diff:b1 Var:b1
Chapter/Section:b b Chb01,bSecb01


1

,5) Determinebifbthebequationbxb=b b isbabfunction.
A) abfunction
B) notbabfunction
C) don'tbknow
bAnswer:b A

Diff:b1 Var:b1
Chapter/Section:b b Chb01,bSecb01

6) Determinebifbthebequationb8 b +b4 b =b4bisbabfunction.
A) abfunction
B) notbabfunction
C) don'tbknow
bAnswer:b B

Diff:b1 Var:b1
Chapter/Section:b b Chb01,bSecb01

7) Determinebifbthebequationbxb=b
b isbabfunctionbwithbindependentbvariablebxbandbdependentbvariableby.

A) abfunction
B) notbabfunction
C) don'tbknow
bAnswer:b B

Diff:b1 Var:b1
Chapter/Section:b b Chb01,bSecb01

8) Givenbthebfunctionbfb(x)b=b5xb-b4,bevaluatebfb(xb+b10).
A) 5xb+b46
B) 5xb-b46
C) 5 b +b46
D) 5xb+b6
Answer:b b A
Diff:b2 Var:b1
Chapter/Section:b b Chb01,bSecb01

9) Givenbthebfunctionbfb(x)b=b b -b3xb+b2,bevaluatebfb(x)b-bfb(6).
A) -b3xb+b18
B) -b3xb-b20
C) -b3xb-b18
D) xb-b6
Answer:b b C
Diff:b2 Var:b1
Chapter/Section:b b Chb01,bSecb01




2

,10) GivenbthebfunctionbH(x)b=b1b-b ,bevaluatebH(xb-b5).
A) -4b-b
B) -4b+b10xb-
C) -24b+b7xb-
D) -4b-bx
Answer:b b C
Diff:b3 Var:b1
Chapter/Section:b b Chb01,bSecb01

11) GivenbthebfunctionbG(x)b=b6b-b4x,bevaluatebG(4xb+b2).
A) -16 +b16xb+b12
B) -16 +b2
C) -16xb-b14
D) -16xb-b2
Answer:b b D
Diff:b2 Var:b1
Chapter/Section:b b Chb01,bSecb01

12) GivenbthebfunctionbG(x)b=b-7b-b6x,bevaluatebG(4).
A) 17
B) 31
C) -31
D) 4xb-b7
Answer:b b C
Diff:b1 Var:b1
Chapter/Section:b b Chb01,bSecb01

13) Givenbthebfunctionb b fb(x)b=b b -b5xb-b15,bevaluateb .

2xb+bhb-
A)
b5bB)b




C) 2xb+bhb+b5
D) 1
Answer:b b A
Diff:b3 Var:b1
Chapter/Section:b b Chb01,bSecb01




3

, 14) Givenbthebfunctionb b fb(x)b=b-7b-b5x,bevaluateb .

A) 5
B) -5
C)

D) 1
Answer:b b B
Diff:b3 Var:b1
Chapter/Section:b b Chb01,bSecb01

15) GivenbthebfunctionbG(t)b=b b -b7tb+b3,bevaluateb .

A) hb+b17
B) hb-b17
C) h
D) hb-b12
Answer:b b B
Diff:b3 Var:b1
Chapter/Section:b b Chb01,bSecb01


16) GivenbthebfunctionbG(t)b=b ,bstatebthebdomainbinbintervalbnotation.

A) [10,b∞)
B) (-∞,b10)b∪b(10,b∞)
C) (-∞,b∞)
D) (-∞,b-10)b∪b(10,b∞)
Answer:b b B
Diff:b1 Var:b1
Chapter/Section:b b Chb01,bSecb01

17) Givenbthebfunctionb b fb(x)b=b ,bstatebthebdomainbinbintervalbnotation.
A) (-∞,b-8]b∪b b [8,b∞)
B) (-∞,b-8)b∪b b (8,b∞)
C) [-8,b8]
D) (-∞,b-64]b∪b b [64,b∞)
Answer:b b A
Diff:b2 Var:b1
Chapter/Section:b b Chb01,bSecb01




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