2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs. If this pattern continues, how many bulbs should Geoff expect in the eighth year? (1 point)
48 bulbs
384 bulbs
768 bulbs
1,536 bulbs
3. What are the first four terms of the sequence represented by the expression n(n – 1) – 5? (1 point)
–7, –5, –3, 1
–5, –10, –15, –20
0, 2, 6, 12
–5, –3, 1, 7
6. Given the function rule f(x) = x² – 5x + 1, what is the output of f(–3)? (1 point)
7
–5
25
5
7. Suppose you earn $10 each hour you babysit. Which function describes the relationship between your total earnings E and the number of hours you babysit, h? (1 point)
E(h) = 10h
E(h) = h + 10
E(h) = h – 10
h = 10E
Melanie charges $4.50 per hour when she washes cars, plus $5.00 for supplies. Which function rule represents the amount y Melanie charges to wash cars for x hours? (1 point)
y = 0.50x
y = 4.50x + 5.00
y = 5.00x + 4.50
y = 9.50x
14. The sale price of apples at a local grocery store is $1.35 for the first pound and $1.10 for each additional pound. Which function rule shows how the cost of apples, y, depends on the number of pounds, x? (1 point)
y = 1.10(x – 1) + 1.35
y = 1.10x + 1.35
y = 1.35x + 1.10
y = (1.10 + 1.35)x
29 answers
1. C
2. A
3. C
4. A
5. A
6. C
7. B
8. D
9. A
10. B
11. A
12. B
13. B
14. B
15. D
16. D
please note not all questions will be the same
2 D
3 D
4 B
5 D
6 A
7 A
8 B
9 B
10 A
11 B
12 A
13 B
14 A
15 D
16 B
17- 19 y’all got to do that on y’all on
These are the answers for 2018 Lesson 13: Functions Unit Test
A
C
C
B
D
A
B
C
B
B
A
D
B
A
C
C
1. A
2. C
3. D
4. C
5. C
6. D
7. A
8. C
9. B
10. A
11. B
12. A
13. B
14. D
15. C
16. B
Now 17,18,&19 are all essays so do that yourselves hope this helps
1. 39, 49, 59
2. 768 bulbs
3. –4, –3, 0, 5
4. This one is the graph that starts at 23 goes up to 45 stays the same a little bit then goes down to zero.
5. The speed of the car decreases from 4 mi/h to 2 mi/h in the first 3 seconds, increases to 5 mi/h in the
next 5 seconds, and then remains at 5 mi/h for the last 2 seconds.
6. 25
7. E(h) = 10h
8. Its the graph that says 4/3 in front of it.
9. Dixie Hill; it rises 3/5 foot for every 1 foot of horizontal travel
10. This is the graph with the line going across the negative part of the y axis.
11. This is the graph where the point is at 2 on the y axis.
12. y = 6 + 3x
13. y = 4.50x + 5.00
14. y = 0.95(x – 1) + 1.15
15. y = 3x + 8
16. y = x² – 5
17, 18, 19 is Essay's so i cant help.