Inverse Functions Exit Ticket

Front

What is the inverse of the points (1,3)(2,4)(6,2)?

Back

(2,6)(3,1)(4,2)

Front

What does it mean to find the inverse of a function?

Back

The x's and y's are switched.

Front

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

Back

(4, 1) and (6, 4)

Front

Find the inverse of f(x) = -4x - 12.

Back

f^-1(x) = -1/4x - 3

Front

Find the inverse of f(x) = 1/4x - 7.

Back

f^-1(x) = 4x + 28

Front

What is the definition of an inverse function?

Back

A function that reverses the effect of the original function.

Front

How do you find the inverse of a linear function?

Back

Switch x and y, then solve for y.

Front

What is the graphical representation of an inverse function?

Back

The reflection of the original function across the line y=x.

Front

What is the inverse of the function f(x) = 2x + 3?

Back

f^-1(x) = (x - 3)/2.

Front

If f(a) = b, what is f^-1(b)?

Back

f^-1(b) = a.