How do you reflect a function across the x-axis (flip it upside down)?

Question

Responses

Multiply by a negative coefficient
Multiply by a negative coefficient

Change the variable
Change the variable

Subtract a number larger than 10
Subtract a number larger than 10

Use an irrational exponent

Answer 1

None of the provided responses accurately describe how to reflect a function across the x-axis. To reflect a function across the x-axis (flip it upside down), you need to multiply the function by -1. This can be achieved by multiplying the function's output or y-values by -1.