Function, Linear Function, and Function Notation

Identify the linear function from the following set of equations: a) y = 2x + 3 b) y = x^2 + 5 c) y = 3x - 1

• c) y = 3x - 1

• a) y = 2x - 3

• b) y = 4x + 2

• c) y = 5x - 2

Which of the following graphs represents a linear function? a) Parabola b) Straight line c) Sine curve

• c

• b

• a

• d

Solve the linear function equation: 2x - 5 = 3

• x = 7

• x = 4

• x = -1

• x = 2

Graph the linear function y = 2x - 4

• Graph the exponential function y = 2^x - 4

• Graph the linear function y = 2x - 4 on a coordinate plane.

• Graph the cubic function y = x^3 - 4

• Graph the quadratic function y = x^2 - 4

What does f(x) notation represent in a function?

• The domain of the function

• The derivative of the function

• The integral of the function

• The output or value of the function when the input is x.

Evaluate the function f(x) = 3x - 2 for x = 4

• 10

• 2

• 12

• 5

Find the value of f(2) for the function f(x) = 4x + 1

• 9

• 3

• 12

• 6

Solve the equation f(x) = 2x - 3 for x = 5

• 7

• 1

• 4

• 10

What is the slope of the linear function f(x) = 3x + 2?

• 2

• 3

• 1

• 4

Find the value of f(3) for the function f(x) = 2x - 5

• 1

• 0

• -1

• 2