MATH FINAL STUDY SET UPDATED ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS
Question 1.
Which relation is not a function?
A. (2, 9), (1, 5), (1, 5), (5, 0), (12, 3)
B. (3, 1), (6, 2), (8, 3), (6, 4), (3, 5)
C. (5, 1), (4, 2), (3, 3), (2, 4), (1, 5)
D. (7, 2), (5, 3), (3, 4), (1, 5), (1, 6)
ANSWER
B
Question 2.
On Saturdays, Eve earns $14 per hour for yard work and an extra amount for dog walking. Look at
the table. Choose the linear function f Eve can use to determine her pay.
Hours 1 2 3 4 5 Pay 26 40 54 68 82
A.f(x) = x + 14
B. f(x) = 12x + 16
C. f(x) = 12x + 14
D. f(x) = 14x + 12
ANSWER
f(x)14x+12
Question 3.
On Saturdays, Eve earns $14 per hour for yard work and an extra amount for dog walking.
Hours 1 2 3 4 5 Pay 26 40 54 68 82
Which is a reasonable domain for the function f(x) = 14x + 12?
A. 0 < x < 8
B. 0 < x < 24
C. 26 < x < 82
D. 0 < x < 82
ANSWER
0<x<8
,Question 4.
On Saturdays, Eve earns $14 per hour for yard work and an extra amount for dog walking.
Hours 1 2 3 4 5 Pay 26 40 54 68 82
Assume Eve does yard work from 8:30 A.M. to 2:00 P.M. and then walks the dog. Using the function
f(x) = 14x + 12, how much does she earn?
A. $66
B. $77
C. $89
D. $109
ANSWER
89
Question 5.
Given f(x) = -3x, write an equation for f(x) + 4.
ANSWER
-3x+4
Question 6.
Which of the following is an arithmetic sequence?
A. 2, 1, 4, 3, 6, 5, ...
B. 10, 8, 6, 4, 2, 2, ...
C. 11, 22, 33, 44, 55, 66, ...
D. 44, 66, 88, 1010, 1212, 1414, ...
ANSWER
C
Question 7.
Part A A tie-dye kit with one T-shirt costs $15. Each additional T-shirt costs $4 more. Choose the
explicit formula to represent the situation.
A. an = 11 + 4n
B. an = 4 + 15n
C. an = 19 + 4n
D. an = 15 + 4(n + 1)
, ANSWER
An=11+4n
Question 8.
Part B A tie-dye kit with one T-shirt costs $15. Each additional T-shirt costs $4 more. Choose the
recursive formula to represent the situation.
A. an = an - 1 + 4; a1 = 11
B. an = an - 1 + 4; a1 = 15
C. an = an - 1 + 11; a1 = 15
D. an = an - 1 + 19; a1 = 11
ANSWER
An=An-1+4 a=15
Question 9.
Using the trend line y = 3.5x + 10 for the data shown, complete the residual table.
Laps 7 8 9 10 11 Time (min) 35.5 37 41.5 45 49.5
ANSWER
1,-1,0,0,1
Question 10.
Hugo's exercise data is shown. Use the trend line y = 3.5x + 10 to complete the sentence.
Laps 7 8 9 10 11 Time (min) 35.5 37 41.5 45 49.5
It will take Hugo about min to run 6 laps.
ANSWER
31
Question 11.
Which r-value suggests a weak negative correlation?
A. r = 0.1847
B. r = 0.1847
C. r = 0.9816
D. r = 0.9816
ANSWER
QUESTIONS AND CORRECT ANSWERS
Question 1.
Which relation is not a function?
A. (2, 9), (1, 5), (1, 5), (5, 0), (12, 3)
B. (3, 1), (6, 2), (8, 3), (6, 4), (3, 5)
C. (5, 1), (4, 2), (3, 3), (2, 4), (1, 5)
D. (7, 2), (5, 3), (3, 4), (1, 5), (1, 6)
ANSWER
B
Question 2.
On Saturdays, Eve earns $14 per hour for yard work and an extra amount for dog walking. Look at
the table. Choose the linear function f Eve can use to determine her pay.
Hours 1 2 3 4 5 Pay 26 40 54 68 82
A.f(x) = x + 14
B. f(x) = 12x + 16
C. f(x) = 12x + 14
D. f(x) = 14x + 12
ANSWER
f(x)14x+12
Question 3.
On Saturdays, Eve earns $14 per hour for yard work and an extra amount for dog walking.
Hours 1 2 3 4 5 Pay 26 40 54 68 82
Which is a reasonable domain for the function f(x) = 14x + 12?
A. 0 < x < 8
B. 0 < x < 24
C. 26 < x < 82
D. 0 < x < 82
ANSWER
0<x<8
,Question 4.
On Saturdays, Eve earns $14 per hour for yard work and an extra amount for dog walking.
Hours 1 2 3 4 5 Pay 26 40 54 68 82
Assume Eve does yard work from 8:30 A.M. to 2:00 P.M. and then walks the dog. Using the function
f(x) = 14x + 12, how much does she earn?
A. $66
B. $77
C. $89
D. $109
ANSWER
89
Question 5.
Given f(x) = -3x, write an equation for f(x) + 4.
ANSWER
-3x+4
Question 6.
Which of the following is an arithmetic sequence?
A. 2, 1, 4, 3, 6, 5, ...
B. 10, 8, 6, 4, 2, 2, ...
C. 11, 22, 33, 44, 55, 66, ...
D. 44, 66, 88, 1010, 1212, 1414, ...
ANSWER
C
Question 7.
Part A A tie-dye kit with one T-shirt costs $15. Each additional T-shirt costs $4 more. Choose the
explicit formula to represent the situation.
A. an = 11 + 4n
B. an = 4 + 15n
C. an = 19 + 4n
D. an = 15 + 4(n + 1)
, ANSWER
An=11+4n
Question 8.
Part B A tie-dye kit with one T-shirt costs $15. Each additional T-shirt costs $4 more. Choose the
recursive formula to represent the situation.
A. an = an - 1 + 4; a1 = 11
B. an = an - 1 + 4; a1 = 15
C. an = an - 1 + 11; a1 = 15
D. an = an - 1 + 19; a1 = 11
ANSWER
An=An-1+4 a=15
Question 9.
Using the trend line y = 3.5x + 10 for the data shown, complete the residual table.
Laps 7 8 9 10 11 Time (min) 35.5 37 41.5 45 49.5
ANSWER
1,-1,0,0,1
Question 10.
Hugo's exercise data is shown. Use the trend line y = 3.5x + 10 to complete the sentence.
Laps 7 8 9 10 11 Time (min) 35.5 37 41.5 45 49.5
It will take Hugo about min to run 6 laps.
ANSWER
31
Question 11.
Which r-value suggests a weak negative correlation?
A. r = 0.1847
B. r = 0.1847
C. r = 0.9816
D. r = 0.9816
ANSWER
