Function Values and Types Assessment

The video tutorial covers evaluating different types of functions, including linear, square root, and quadratic functions. It explains how to substitute values into function expressions to find function values, with examples for each type. The tutorial emphasizes the importance of understanding the continuity of functions and the conditions under which they are defined, particularly for square root functions.

What is the main topic discussed in the video?

• Solving equations

• Evaluating functions

• Graphing functions

• Deriving functions

Which of the following is a linear function?

• f(x) = 2x + 1

• g(x) = √(x² - 4)

• h(x) = x² + 1

• m(x) = x² - 2x - 2

What is the function value of f(-1)?

• 0

• -1

• 1

• 2

What is the function value of f(0)?

• 1

• 2

• 0

• -1

What is the function value of f(1)?

• 0

• 1

• 2

• 3

What is the function value of f(2)?

• 3

• 6

• 4

• 5

What is the function value of f(3)?

• 5

• 6

• 8

• 7

What type of function is g(x) = √(x² - 4)?

• Linear function

• Quadratic function

• Radical function

• Exponential function

What is the function value of g(4)?

• 2√3

• 3

• 4

• 2

What is the condition for the radicand in a square root function?

• It must be zero

• It can be any real number

• It must be negative

• It must be positive