Basic Rules for finding the inverse of functions
What is the last step for solving the inverse of a function?
Change y to f-1(x)
True or false: the domain for a the inverse of a linear function is always
True
Why is the inverse of a quadratic function not a function?
The values of each input will be two outputs, one with +x and one with -x
Inverse of f(x) is not a function:
1. Linear function
2. Quadratic Function
3. Rational Expression
2. Quadratic Function
What's the inverse of f(x)=3x
f-1(x) = x/3
What's the inverse of f(x)=x2
f-1(x) = ±√x
What is the domain of this function's inverse: f(x) = x+4
x∈R
What's the inverse of f(x) = 2x?
f-1(x) = x/2
What is the inverse of the function f(x) = (x2+4)?
f-1(x) = ±√x-4
What's the inverse of f(x) = 4x+5
f-1(x)=(x-5)/4
What is the inverse of the function f(x) = x2+4x+8
f-1(x) = -2±√x-4
If you have to find the inverse of a quadratic function given x-intercept form, what are the first few steps?
Change f(x) to y, expand the equation to get the standard form, then complete the square
What's the inverse of f(x) = 5x+5?
f-1(x)=x/5-1
What is the inverse of the function f(x) = x2+6x+12
f-1(x) = -3±√x-3