Algebra 1 : How to find f(x)

Example Questions

Example Question #71 : Algebraic Functions

Given a function , what is ?

Explanation:

Given a function

,

we can plug in  to get

.

Example Question #72 : Algebraic Functions

Given a function , what is ?

Explanation:

Given a function

,

we can plug in  to get

.

Example Question #73 : Algebraic Functions

Solve for .

Explanation:

In order to solve for  in the above equation, we must isolate it on one side of the equation. We can do this by applying an operation to  that is the inverse (opposite) of what's currently being applied to .

Given , we see that  is being subtracted from , so we need to add  to both sides of the equation to isolate :

Example Question #74 : Algebraic Functions

Given a function , what is ?

Explanation:

Given a function

,

we can plug in  to get

.

Example Question #75 : Algebraic Functions

Given a function , what is ?

Explanation:

Given a function

,

we can plug in  to get

.

Example Question #76 : Algebraic Functions

Given a function , what is ?

Explanation:

Given a function

,

we can plug in  to get

.

Example Question #77 : Algebraic Functions

Given a function , what is ?

Explanation:

Given a function

,

we can plug in  to get

.

Example Question #78 : Algebraic Functions

Given a function , what is ?

Explanation:

Given a function

,

we can plug in  to get

.

Example Question #79 : Algebraic Functions

Given a function , what is ?

Explanation:

Given a function

,

we can plug in  to get

Example Question #80 : Algebraic Functions

Given the function , what is ?