Answer: It makes 30 circles in a minute
Step-by-step explanation:
Cirle every 2 seconds 
A minute is 60 seconds 
So you divide those to get your answer
60 divided by 2= 30
 
        
                    
             
        
        
        
1)
n         1          2         3           4         5         6
f(n)    1033    932     831      730     629     528
First term (a₁):  <u>1033 </u>          Common difference (d): <u>-101 </u>
Explicit rule:   Recursive rule:
    Recursive rule: 




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2)
n         1          2         3           4         5         6
f(n)   -39      -29       -19        -9          9        19
First term (a₁):  <u> -39  </u>          Common difference (d): <u> +10  </u>
Explicit rule:   Recursive rule:
    Recursive rule: 




***********************************************************************************
3)
n         1          2         3           4         5         6
f(n)   3.75      2.5     1.25        0      -1.25     -2.5
First term (a₁):  <u> 3.75  </u>          Common difference (d): <u> -1.25  </u>
Explicit rule:   Recursive rule:
    Recursive rule: 




 
        
             
        
        
        
Answer:
5 x 1/3 = 5/3 or 1 2/3
It is not possible to find the answer from 5 x 3 to 5 x 1/3 
#CarryOnLearning