Answer to Question #198675 in Algebra for chris

Question #198675

Semester 2 Final Exam:

https://docs.google.com/document/d/18MQ3MtI3sO_uhB5StLezblcDur2eoAlXhvclw8X6B1s/edit


1
Expert's answer
2021-06-08T03:45:20-0400

1.

a)

x=2


b)

"(-\\infin,2)"


c)

"[-4,\\infin)"


2.




a)

Inverses, because the graphs are symmetric respect to the line between them.


b)

Not inverses, because the graphs have not symmetry.


3.

"y=6log(x-7)+2"



4.

"y=\\sqrt{x}"


a.

"y=\\sqrt{x}\/5"


b.

"y=\\sqrt{x+5}\/5"


c.

"y=\\sqrt{x+5}\/5-8"


5.

a)

"log_710x=log_710+log_7x"


b)

"log_210^5=5log_210"


6.

a)

"log_8x+log_8y=log_8(xy)"


b)

"log_75-log_710=log_7(5\/10)=log_70.5"


7.

a)

"6^2=36"


b)

"10^0=1"


8.

a)

"log_525=2"


b)

"log_464=3"


9.

"6^{2x+5}=6^{x-2}"

"x=-7"



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