SOLUTION: I really need help with these questions. Evaluate each function for x= -2,0,and 5. 1.) y = 9 + x 2.) y = x^2 - 1 Please help me because I need to get this to my teach

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#1



Let's evaluate


Start with the given function.


Plug in . In other words, replace each x with -2.


Multiply 1 and -2 to get -2


Now combine like terms


-----------Now let's evaluate another value---------


Let's evaluate


Start with the given function.


Plug in . In other words, replace each x with 0.


Multiply 1 and 0 to get 0


Now combine like terms


-----------Now let's evaluate another value---------


Let's evaluate


Start with the given function.


Plug in . In other words, replace each x with 5.


Multiply 1 and 5 to get 5


Now combine like terms

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#2




Let's evaluate


Start with the given function.


Plug in . In other words, replace each x with -2.


Evaluate to get 4.


Now combine like terms


-----------Now let's evaluate another value---------


Let's evaluate


Start with the given function.


Plug in . In other words, replace each x with 0.


Evaluate to get 0.


Now combine like terms


-----------Now let's evaluate another value---------


Let's evaluate


Start with the given function.


Plug in . In other words, replace each x with 5.


Evaluate to get 25.


Now combine like terms