Calc_Test_Bank (A GUARANTEED)
7) y = x3 - 3x2 + 7x - 10
A) Relative maximum at (2, 6)
B) Relative minimum at (1, 6)
C) Relative maximum at (-1, 6)
D) No relative extrema exist
Answer: D
8) f(x) = x3 - 12x + 4
A)
...
Calc_Test_Bank (A GUARANTEED)
7) y = x3 - 3x2 + 7x - 10
A) Relative maximum at (2, 6)
B) Relative minimum at (1, 6)
C) Relative maximum at (-1, 6)
D) No relative extrema exist
Answer: D
8) f(x) = x3 - 12x + 4
A) Relative maximum at (5, 69); relative minimum at (-3, 13)
B) Relative maximum at (5, 69); relative minimum at (2, -12)
C) Relative minimum at (-2, 20); relative maximum at (2, -12)
D) Relative maximum at (-2, 20); relative minimum at (2, -12)
Answer: D
9) f(x) = -4x3 + 4
A) Relative maximum at (0, -4)
B) Relative maximum at (0, 4)
C) Relative minimum at (0, 4)
D) No relative extrema exist
Answer: D
10) f(x) = 2
3
x3 + 1
2 x2 - 21x + 2
A) Relative maximum at - 7
2
,
1273
24 ; relative minimum at 7
2
, - 883
24
B) Relative maximum at 3, - 77
2
C) Relative maximum at - 7
2
,
1273
24 ; relative minimum at 3, - 77
2
D) Relative maximum at -3, 103
2 ; relative minimum at 7
2
, - 883
24
Answer: C
11) f(x) = 3x4 + 16x3 + 24x2 + 32
A) Relative minimum at (-2, 48), relative maximum at (0, 32)
B) Relative minimum at (0, 32)
C) Relative maximum at (-2, 48), relative minimum at (0, 32)
D) Relative minimum at (-2, 48)
Answer: B
12) f(x) = x4 - 8x2 + 6
A) Relative maximum at (2, -10); relative minimum at (-2, -10)
B) Relative minimum at (0, 6); relative maxima at (2, -10), (-2, -22)
C) Relative maximum at (0, 6); relative minimum at (2, -10)
D) Relative maximum at (0, 6); relative minima at (2, -10), (-2, -10)
Answer:
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