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s and Social Sciences 14th Edition Barnett
z z z z z z
Exam
Name
MULTIPLEz CHOICE.z Choosez thez onez alternativez thatz bestz completesz thez statementz orz answersz thez question.
Providez anz appropriatez response.
z z xz z z4z
1) Givenzthatzf(x)z =z ,zfindzfz -z .zExpresszthezanswerzaszazsimplifiedzfraction. 1)z
7z-zx 5
z39 z39 z 4z
A) - B) -z C) 4 D) 39
z 4z 4
z
39
Thezgraphzofz azfunctionzfz iszgiven.zUsez thezgraphztozanswerzthez question.
2) Usezthezgraphzofz fzgivenzbelowz tozfindzf(8). 2)z
20
20
A) 12 B)z -16 C)z0 D)z8
Usez thez graphztoz evaluatez thez indicatedzlimitz andzfunctionzvaluez orz statez thatz itzdoesz notzexist.
3) Findz limz f(x)zandzf(0). 3)z
x→0
-3 -2 -1
-2
A) Doesznotzexist;z6 B)z 6;z0
C)z 0;z6 D)z 0;zdoesznotzexist
1
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s and Social Sciences 14th Edition Barnett
z z z z z z
4) Findz lim f(x)z and f(x). 4) z
x→0- limz
x→0+
7 y
6
5
4
3
2
1
-7z -6z -5z -4z -3z -2z --11
1z 2z 3z 4z 5z 6z 7z
x
-2
-3
-4
-5
A) -1;z 5 B)zDoesznotzexist;zdoesznotzexist
C)z5;z-1 D)z5;zDoesznotzexist
Findzthezlimit,zifzitzexists.
z6xz+z5
5) Find: lim 5) z
x→-1z 5xz z 6
A) z 1z z 1z
-11 B)z C)z1 D)z-z
11 11
6) Givenz limz f(x)z=z-2zandz lim g(x)z=z5,zfindz lim z[g(x)z-zf(x)] . 6) z
x→4 x→4 x→4 -z4zf(x)
z3 z3 z7 z 7
A) -z B) 8 C) 8 D) -z
8 8
zx2z-z16
7) Find:z z lim 7) z
x→-z4 xz+z4
A) 8 B)z -8 C)z-z24 D)z16
z xz-z5z
8) Find:z z lim 8) z
x→5 xz-z5
A) -1 B)z1 C)z0 D)zDoesznotzexist
x2z-z9z
+
z
9) Find:z z lim x2z+z7 9) z
x→3 xz-z3
A) 2 B)z 3 C)z 10 D)z Doesznotzexist
10) Find:z lim z xz-z3z 10) z
x→3z x2z-z3x
z1 z1
A) -z B) 3 C) 0 D)z Doesznotzexist
3
2
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, DOWNLOAD THE Test Bank for Calculus for Business Economics Life Science
z z z z z z z z z z
s and Social Sciences 14th Edition Barnett
z z z z z z
2f(x)z+z3g(x)
z
11) Givenz limz f(x)z=z4zandz lim g(x)z=z-5,zfindz lim . 11) z
x→5 x→5 x→5 3f(x)
z 7z z 7z z 7z
A) 12 B) - C) 15 D) -z
z 7z 12
z
15
12) Evaluatez thez followingz limit 12)z
z z 1z
limz
x→2⁻z xz-z2
A) ∞ B)z2 C)z -∞ D)zDoesznotzexist
x2z-z3xz-
z
13) Letzf(x)z = .z Findz lim f(x). 13) z
z10zxz+z
x→-2
2
A) 5 B)z -2 C)z -7 D)zDoesznotzexist
x2z-z16
z
ifzxz>z0
xz+z4
14) Letzf(x)z= 14) z
x2z-z16
z
zifzxz<z
xz-z4
0
Findz lim f(x).
x→0⁻
A)z∞ B)z -4 C)z4 D)zDoesznotzexist
x2z-z16
z
ifzxz>z0
xz+z4
15) Letzf(x)z= 15) z
x2z-z16
z
zifzxz<z
xz-z4
0
Findz limz f(x)
x→0⁺
A)z4 B)z -4 C)z0 D)zDoesznotzexist
x2z-z16
z
ifzxz>z0
xz+z4
16) Letzf(x)z= 16) z
x2z-z16
z
zifzxz<z
xz-z4
0
Findz limzf(x).zx→
0
3
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