## Intermediate Algebra (6th Edition)

$P(x)=x+7$
We must write a function, $P(x)$, such that $P(0)=7$. There are many possible functions that would satisfy this condition. However, we can use $P(x)=x+7$. $P(0)=0+7=7$ When the value of x is 0, the function is equal to 7 (or the value of the constant).