If the function is f(x) = 1 – x² + x³. Then the value of the function at x = -1, is negative one.
What is a function?
The function is an expression, rule, or law that defines the relationship between one variable to another variable. Functions are ubiquitous in mathematics and are essential for formulating physical relationships.
If the function f(x) = 1 – x² + x³ is given. Then find the value of the function at x = -1.
f(x) = 1 – x² + x³
f(– 1) = 1 – (– 1)² + (– 1)³
f(– 1) = 1 – 1 – 1
f(– 1) = – 1
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