Evaluating Functions

Front

In interval notation, positive and negative ∞ are always closed in by ______.

Back

( ) Parentheses

Front

Evaluate r(3) if r(x) = 4x + 4.

Back

r(3) = 16

Front

How would you write y = 2x - 3 in function notation?

Back

f(x) = 2x - 3

Front

Let g(x)=9x+24, find g(3).

Back

g(3) = 51

Front

Evaluate f(x) = x^2 for f(-8).

Back

f(-8) = 64

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

What does it mean for a function to be linear?

Back

A linear function is a function that graphs to a straight line and can be written in the form f(x) = mx + b.

Front

What is the domain of a function?

Back

The domain is the set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

The range is the set of all possible output values (y-values) for the function.

Front

How do you find the value of a function at a specific point?

Back

Substitute the specific point into the function's equation.