1.3 Inverse Functions (M3)

If the equation of f(x) goes through (1, 4) and (4, 6), what points does f^-1(x) go through?

• (1, 4) and (4, 6)
• (-4, -1) and (-6, -4)
• (-1, -4) and (-4, -6)
• (4, 1) and (6, 4)

Tags

CCSS.HSF-BF.B.4C

If the point (-7,5) lies on the graph of y=f(x), which of the following points must lie on the inverse?

• ( $\frac{1}{7}$ , $\frac{1}{5}$ )

• (5,-7)

• $\left(-\frac{1}{5},\ \frac{1}{7}\right)$

• (5,7)

Which of the following cannot be in the domain of the function,  $f\left(x\right)=\frac{2x-4}{x-5}$  

• -5

• 0

• 5

• 2