Algebra 1 CIA 2 PreTest

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CCSS.HSF.BF.A.2

Given the explicit formula, find the eleventh term in the sequence.  $a_n=3n-2$  

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CCSS.HSF.BF.A.2

Rewrite the sequence    $a_n=a_{n-1}-4,\ \ a_1=7$  in explicit form. 

•  $a_n=-4n+11$  

•  $a_n=-4n+7$  

•  $a_n=7\left(-4\right)^{n-1}$  

•  $a_n=a_{n-1}\cdot-4,\ a_1=7$  

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CCSS.HSF.BF.A.2

Which of the following is an arithmetic sequence written explicitly?

• $a_n=3\left(4\right)^{n-1}$

• $a_n=4n-1$

• $a_n=a_{n-1}+4,\ a_1=3$

• $a_n=a_{n-1}\cdot4,\ a_1=3$

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CCSS.HSF.BF.A.2

Select the range of the exponential function.

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CCSS.HSF-IF.C.7E