Final answer:
To find f(0) in the given quadratic function, substitute x = 0 into the function expression. The value of f(0) is 9.
Step-by-step explanation:
To find f(0) in the given function, we substitute x = 0 into the function expression. So, f(0) = 5(0)² - 7(0) + 9 = 9.
Learn more about Evaluating a quadratic function at a specific value