Question

what is the domain of this exponential function?{ x | x < -9 }{ x | x ≤ -9 }all real numbers{ x | x ≥ -9 }{ x | x > -9 }

Explanation:

Step1: Analyze the graph's x-values

The horizontal (x-axis) arrow extends infinitely left and right, and the blue curve follows this, meaning x can take any real value.

Step2: Match to domain definition

The domain of a function is all valid x-values. Since the graph covers every possible real number for x, the domain is all real numbers.

Answer:

all real numbers