Unit 2B Review

Front

What is the value of f(g(5)) if f(g(x)) = -2?

Back

f(g(5)) = -2.

Front

Back

Front

What line does the graph of a function and its inverse reflect across?

Back

The line is y = x.

Front

Write the logarithmic form of the equation 9^2 = 81.

Back

Front

Back

The solution is x = 45.

Front

What is the definition of a function's inverse?

Back

A function's inverse reverses the input and output of the original function.

Front

How do you determine if a function has an inverse?

Back

A function has an inverse if it is one-to-one (passes the horizontal line test).

Front

Back

The domain is x ≥ 7.

Front

Back

The range is y ≥ 0.

Front

What is the relationship between a function and its inverse?

Back

The output of the function becomes the input of the inverse and vice versa.