1) write a rule for the sequence 5,-4,-13,-22…
D- start with 5 and add -9 repeatedly
2) find the next three terms of the sequence. -4,-8,-16,-32…
B- -64,-128,-256
3) what is the 8th term in the following sequence. 28,33,38,43…
C- 63
4) which explains why the sequence 81,3,1/9,… is arithmetic or geometric?
B- the sequence is geometric because it decreases by a factor of 1/27.
5) find the value of the variables in the table X e 5 7 10 12, Y 10 13 19 f 34.
A- f=28;e=4
6) write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 5,13,21,29,37,45,…
B- 8n-3;797
7) the cost for a business to make greeting cards can be divided into one-time cost, and repeated cost. Suppose the total cost to make 300 cards is $800.00, and the total cost to make 550 cards is $1,300. What is the total cost to make 1,000 cards? Round your answer to the nearest dollar.
B- 2,200
8) which graph below shows the rule: output=2 times input?
C
9) the time between a lighting Flash and the following thunderclap may be used to estimate, in kilometers, how far away a storm is. How far away is a storm if nine seconds elapsed between the lightning and the thunder clap? Use the formula d=t/3, where t is the time, in seconds, between the flash and the thunderclap.
D- 3 kilometers
10) write a rule for the function represented by the table.
x/y
0/13
1/28
2/43
3/58
C- y=13+15x
11) which function rule would help you find the values in the table?
j/k
2/-12
4/-24
6/-36
8/-48
B- k=6j
12) the graph below shows the air temperature I’ve a 10-hour period from noon until 10:00pm. Which is true based on the graph?
B- the temperature change between noon and 6pm is the same as the temperature change from 8pm until 10pm
13) Andrea, a cyclist, uses a graph to track her speed and distance. The graph below shows Andrea’s cycling data for a one-hour bike ride. At one point, Andrea took a break from biking. When was the break, and how long did the break last?
B- at 20 minutes, she took a 10-minute break
14) select a graph for the situation. You’ll leave home and head to a meeting. You start out at a fairly steady pace until you get to a crosswalk. Start at the crosswalk, you realize that you have forgotten your notes. You turn around and head back home at the same fairly steady pace. You grab your notes and then run to your meeting without stopping, although along the way your pesos down a bit. The graph shows the amount of time that has passed and your distance from home.
D-
15) Adam takes a loan of $8,250 at a 7% simple rate for 5years.
A- how much interest will be paid after 3 years?
B- how much interest will be paid in total for the loan?
Answer is B- $1,732.50;2,887.50
16) John invests $2,975 at 4% interest compounded annually. What will be the balance in the account after 2.5 years?
B- $3,281.48
17) which is J=4rb solved for r?
A- r=J/4b
18) which is C=100w/L solved for W?
B- W=LC/100
19) during exercise, the recommended maximum heart rate in beats per min is modeled by the formula, M=176-0.8A, where M is the maximum heart rate and A is the persons age. Solve the formula for A. At what age would you have a recommended maximum heart rate in beats per minute of 140?
D- 45 years
Questions 20-22 you will need to do and show your work.
50 50 its right if its that bad you will use these!!! i think its right tho : D
anywho um at 5 i have to get off cause it affects my sleep so ya