실전 18
1. If (x – 2)3 = 13.5, what is the value of x?
(A) 2.38
(B) 2.50
(C) 3.67
(D) 4.38
(E) 4.50
2. In the xy-plane, if lines ℓ1 and ℓ2 have
equations y = –bx + 2 and y = –cx + 2,
respectively, where b and c are real numbers,
which of the following must be true?
(A) (0,0) is a point on ℓ1 and ℓ2.
(B) ℓ1 and ℓ2 are parallel
(C) ℓ1 and ℓ2 are perpendicular
(D) ℓ1 and ℓ2 have the same y-intercept
(E) ℓ1 and ℓ2 have the same x-intercept
3. If f(x) = ln(2x+3), what is the value of f(0.5)?
(A) 0.602
(B) 1.099
(C) 1.386
(D) 1.705
(E) 2.565
4. The number of students in each of 12 different
school clubs is represented by the dotplot in the
figure above. What is the mean number of
students per club?
(A) 15.1
(B) 16
(C) 16.4
(D) 16.5
(E) 17.75
1
,실전 18
5. If sin x = 0.7431, then csc x =
(A) 0.6692
(B) 0.9004
(C) 1.1106
(D) 1.3457
(E) 1.4945
𝑘𝑡
6. Let v = 𝑎𝑏+𝑐𝑑 , where a, b, c, d, k, and t
represent positive real numbers. If the value of d
decreases and remains positive, while the values
of a, b, c, k, and t remain unchanged, what
happens to the value of v?
(A) It increases
(B) It decreases
(C) It remains constant
(D) It approaches 0
(E) It becomes negative
7. What is the domain of the function f given by
5(𝑥−1)
f(x) = (𝑥+2)(𝑥−3) ?
(A) All real numbers
(B) All real numbers except 0
(C) All real numbers except 1
(D) All real numbers except –3 and 2
(E) All real numbers except –2 and 3
𝑥−𝑦 3 8𝑥−8𝑦
8. If = 4 , then 9𝑎+9𝑏 =
𝑎+𝑏
2
(A) 3
3
(B) 4
27
(C) 32
8
(D) 9
17
(E) 12
2
, 실전 18
If n is a multiple of both 3 and 6, then n is a
multiple of 18.
9. Which of the following values of n shows that
the statement above is false?
(A) 18
(B) 24
(C) 36
(D) 54
(E) 81
10. A radio station pays a recording company $75
per month to play a new song plus $0.15 each
time the song is played. The songwriter receives
20 percent of the total paid by the radio station. If
a new song is played n times during the month,
which of the following expressions represents the
songwriter’s monthly earnings, in dollars, from
the radio station?
(A) 0.2(0.15n + 75)
(B) 0.15(0.2n + 75)
(C) (0.2)(75) + 0.15n
(D) 75 + (0.2)(0.15n)
0.15𝑛+75
(E) 0.2
11. In the figure above, what is the slope of the
segment AB?
(A) 0.8
(B) 1.0
(C) 1.25
(D) 1.5
(E) 1.6
3
1. If (x – 2)3 = 13.5, what is the value of x?
(A) 2.38
(B) 2.50
(C) 3.67
(D) 4.38
(E) 4.50
2. In the xy-plane, if lines ℓ1 and ℓ2 have
equations y = –bx + 2 and y = –cx + 2,
respectively, where b and c are real numbers,
which of the following must be true?
(A) (0,0) is a point on ℓ1 and ℓ2.
(B) ℓ1 and ℓ2 are parallel
(C) ℓ1 and ℓ2 are perpendicular
(D) ℓ1 and ℓ2 have the same y-intercept
(E) ℓ1 and ℓ2 have the same x-intercept
3. If f(x) = ln(2x+3), what is the value of f(0.5)?
(A) 0.602
(B) 1.099
(C) 1.386
(D) 1.705
(E) 2.565
4. The number of students in each of 12 different
school clubs is represented by the dotplot in the
figure above. What is the mean number of
students per club?
(A) 15.1
(B) 16
(C) 16.4
(D) 16.5
(E) 17.75
1
,실전 18
5. If sin x = 0.7431, then csc x =
(A) 0.6692
(B) 0.9004
(C) 1.1106
(D) 1.3457
(E) 1.4945
𝑘𝑡
6. Let v = 𝑎𝑏+𝑐𝑑 , where a, b, c, d, k, and t
represent positive real numbers. If the value of d
decreases and remains positive, while the values
of a, b, c, k, and t remain unchanged, what
happens to the value of v?
(A) It increases
(B) It decreases
(C) It remains constant
(D) It approaches 0
(E) It becomes negative
7. What is the domain of the function f given by
5(𝑥−1)
f(x) = (𝑥+2)(𝑥−3) ?
(A) All real numbers
(B) All real numbers except 0
(C) All real numbers except 1
(D) All real numbers except –3 and 2
(E) All real numbers except –2 and 3
𝑥−𝑦 3 8𝑥−8𝑦
8. If = 4 , then 9𝑎+9𝑏 =
𝑎+𝑏
2
(A) 3
3
(B) 4
27
(C) 32
8
(D) 9
17
(E) 12
2
, 실전 18
If n is a multiple of both 3 and 6, then n is a
multiple of 18.
9. Which of the following values of n shows that
the statement above is false?
(A) 18
(B) 24
(C) 36
(D) 54
(E) 81
10. A radio station pays a recording company $75
per month to play a new song plus $0.15 each
time the song is played. The songwriter receives
20 percent of the total paid by the radio station. If
a new song is played n times during the month,
which of the following expressions represents the
songwriter’s monthly earnings, in dollars, from
the radio station?
(A) 0.2(0.15n + 75)
(B) 0.15(0.2n + 75)
(C) (0.2)(75) + 0.15n
(D) 75 + (0.2)(0.15n)
0.15𝑛+75
(E) 0.2
11. In the figure above, what is the slope of the
segment AB?
(A) 0.8
(B) 1.0
(C) 1.25
(D) 1.5
(E) 1.6
3
