Evaluating Functions

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input from a set of inputs.

Front

What does f(x) represent in a function?

Back

f(x) represents the output of the function f for the input x.

Front

How do you evaluate a function at a specific point?

Back

To evaluate a function at a specific point, substitute the value of the input into the function's equation.

Front

What does the notation f(2) = 1 mean?

Back

It means that when the input is 2, the output of the function f is 1.

Front

What is the significance of the x-intercept in a function's graph?

Back

The x-intercept is the point where the graph crosses the x-axis, indicating the input value(s) for which the output is zero.

Front

What does it mean if f(a) = b?

Back

It means that when the input is a, the output of the function f is b.

Front

How can you find the value of x when f(x) = k?

Back

You can find the value of x by solving the equation f(x) = k.

Front

What does the notation C(7) = 80 represent in a real-world context?

Back

It represents that 7 dance lessons cost $80.

Front

What is the meaning of h(4) = 5 in the context of a plant's growth?

Back

It means that after 4 weeks, the height of the plant is 5 inches.

Front

What is the value of f(0) if f(x) = 4?

Back

The value of f(0) is 4.