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

Question

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

Responses

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

Multiply by a negative coefficient
Multiply by a negative coefficient

Use an irrational exponent
Use an irrational exponent

Change the variable

Answer 1

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

Change the sign of the coefficient of the variable in the function