SOLUTION: Given f(x)=-x3+x2+3x+4, find f(-1), f(0), and f(1) The 3 and the 2 are powers of the x.

Question 117410: Given f(x)=-x3+x2+3x+4, find f(-1), f(0), and f(1)
The 3 and the 2 are powers of the x.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Let's evaluate

Start with the given function.

Plug in . In other words, replace each x with -1.

Evaluate to get -1.

Evaluate to get 1.

Multiply -1 and -1 to get 1

Multiply 1 and 1 to get 1

Multiply -3 and -1 to get 3

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.

Evaluate to get 0.

Multiply -1 and 0 to get 0

Multiply 1 and 0 to get 0

Multiply -3 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 1.

Evaluate to get 1.

Evaluate to get 1.

Multiply -1 and 1 to get -1

Multiply 1 and 1 to get 1

Multiply -3 and 1 to get -3

Now combine like terms

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