If x = -1. then what is the value of the function: f(x)= x³ + 3x + 9?
If x = -1. then what is the value of the function: f(x)= x³ + 3x + 9?
Explanation
Let's calculate the value of the function:
f(x) = x³ + 3x + 9
f(-1) = (-1)³ + 3(-1) + 9
= -1 - 3 + 9
= 5