+0  
 
-1
631
1
avatar+1995 

1.

2.

 Aug 21, 2020
 #1
avatar+118667 
+2

They all look good to me :)

Did you do them all algebraically?

 

You can check answers with a graphing calculator if you want to.

desmos.com      is great for that.

 Aug 21, 2020

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