Question

Evaluate the expression when x=-5 X^2 + 6x-9

Answer 1

The value of the function f(x) = x² + 6x - 9 when x = -5 is  -14.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

An independent variable is a variable that does not depends on other variable while a dependent variable is a variable that depends on other variable.

Given that:

f(x) = x² + 6x - 9

When x = -5:

f(-5) = (-5)² + 6(-5) - 9 = -14

The value of the function f(x) = x² + 6x - 9 when x = -5 is  -14.

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