Evaluating Functions

Front

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

Back

f(x) = 2x - 3

Front

What is the value of f(0) for the function f(x) = 2x - 3?

Back

f(0) = -3

Front

Evaluate f(-2) for the function f(x) = x^2 - 9x + 2.

Back

f(-2) = 24

Front

What is the value of g(5) for the function g(x) = 5 - 6x?

Back

g(5) = -25

Front

Find g(-5) for the function g(x) = 5 - 6x.

Back

g(-5) = 35

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 to evaluate a function?

Back

To evaluate a function means to find the output value for a given input.

Front

What is function notation?

Back

Function notation is a way to represent functions using symbols, typically f(x), g(x), etc.

Front

If f(x) = 3x + 1, what is f(2)?

Back

f(2) = 7

Front

If g(x) = x^2, what is g(-3)?

Back

g(-3) = 9