Function Notation and Evaluations

The video tutorial introduces function notation and demonstrates how to substitute values into a given function. The example function is X = 2x^3 - 4x + 3. The tutorial walks through substituting -3 and 2 into the function, showing the step-by-step process of calculating the results. The video emphasizes understanding the substitution process and the resulting calculations.

What is the main topic introduced in the video?

• Solving inequalities

• Graphing functions

• Algebraic equations

• Function notation and substitution

What is the function given in the video?

• X = 2x^3 + 4x - 3

• X = 3x^3 - 4x + 2

• X = 2x^3 - 4x + 3

• X = 2x^2 - 4x + 3

What value is first substituted into the function?

• 2

• -3

• 0

• 1

What is the significance of the blue X in the video?

• It is the constant term

• It is the solution to the function

• It represents the variable to be substituted

• It is the coefficient of x

What is the result of -3 to the power of 3?

• -27

• 9

• 27

• -9

What is the result of 2 * -27?

• 27

• -54

• 54

• -27

What is the result of the function when -3 is substituted?

• 54

• -54

• -69

• 69

What is the next value substituted into the function after -3?

• 0

• 1

• -2

• 2

What is the result of 2 to the power of 3?

• 6

• 2

• 4

• 8

What is the result of 2 * 8?

• 12

• 4

• 8

• 16