Function Evaluation and Operations

The video tutorial explains how to evaluate and perform operations on functions F(x) = 5x - 2 and G(x) = 4x + 2. It covers calculating the sum, difference, product, and quotient of function values at specific points. The tutorial demonstrates step-by-step substitution and simplification processes, emphasizing finding common denominators and simplifying fractions.

What is the expression for f(x) given in the video?

• f(x) = 4x - 2

• f(x) = 5x + 2

• f(x) = 5x - 2

• f(x) = 4x + 2

Tags

CCSS.HSF.IF.A.2

How do you find f(1/4) using the function f(x) = 5x - 2?

• Substitute 1/4 for x in f(x)

• Substitute 4 for x in f(x)

• Substitute 1/2 for x in f(x)

• Substitute 3 for x in f(x)

Tags

CCSS.HSF.IF.A.2

What is the result of f(1/4) + g(3)?

• 39/2

• 14

• 53/4

• 9/4

Tags

CCSS.HSF.IF.A.2

What is the first step to find g(4) - f(1/10)?

• Substitute 4 for x in f(x)

• Substitute 1/10 for x in g(x)

• Substitute 1/2 for x in f(x)

• Substitute 4 for x in g(x)

Tags

CCSS.HSF.IF.A.2

What is the value of g(4) - f(1/10)?

• 9/4

• 53/4

• 39/2

• 18

Tags

CCSS.HSF.IF.A.2

How do you find f(1/2) using the function f(x) = 5x - 2?

• Substitute 1/2 for x in f(x)

• Substitute 1/4 for x in f(x)

• Substitute 3 for x in f(x)

• Substitute 2 for x in f(x)

Tags

CCSS.HSF.IF.A.2

What is the result of f(1/2) x g(2)?

• 9/4

• 39/2

• 10

• 5

Tags

CCSS.HSF.IF.A.2

What is the first step to find the quotient of g(4) divided by f(2)?

• Substitute 4 for x in f(x)

• Substitute 2 for x in g(x)

• Substitute 4 for x in g(x)

• Substitute 1/2 for x in f(x)

Tags

CCSS.HSF.IF.A.2

What is the value of g(4) divided by f(2)?

• 9/4

• 53/4

• 39/2

• 18

What common factor is used to simplify 18/8 in the video?

• 5

• 2

• 4

• 3