# What is #f(3)# if #f(x)=-x^2+7#?

##### 1 Answer

f(3) just means to substitute 3 in for x.

#### Explanation:

According to the order of operations, first square the 3, which is 9.

The negative sign in front of the x squared is equivalent to multiplying by negative one.

Add -9 and 7 together, which is -2

So,