Exploring Functions and Relations

Evaluate f(3) if f(x) = 2x + 5.

• 8

• 10

• 11

• 14

Graph the linear function y = -2x + 4.

• Graph the line passing through points (1, 4) and (2, 6).

• Graph the line passing through points (0, 2) and (1, 3).

• Graph the line passing through points (0, 4) and (1, 2).

• Graph the line passing through points (0, 0) and (2, 0).

What is the domain of the function g(x) = 1/(x - 2)?

• All real numbers

• Only positive numbers

• All real numbers except 2

• All real numbers except 0

Analyze the behavior of the function h(x) = x^2 - 4 as x approaches 2.

• The limit of h(x) as x approaches 2 is -4.

• The limit of h(x) as x approaches 2 is undefined.

• The limit of h(x) as x approaches 2 is 4.

• The limit of h(x) as x approaches 2 is 0.

Solve the equation 3x + 7 = 16.

• 3

• 5

• 10

• 2

Evaluate f(-1) if f(x) = 4x - 3.

• -4

• 1

• -3

• -7

Graph the linear function y = 3x - 1.

• Graph the line passing through points (0, 0) and (1, 1).

• Graph the line passing through points (2, 5) and (3, 8).

• Graph the line passing through points (0, -1) and (1, 2).

• Graph the line with a slope of 1 and a y-intercept of -1.

What is the domain of the function k(x) = sqrt(x + 3)?

• (-∞, -3)

• [-3, ∞)

• (-3, 3)

• [0, 3]

Analyze the behavior of the function m(x) = -x + 5 as x increases.

• The function increases as x increases.

• The function decreases as x increases.

• The function oscillates as x increases.

• The function remains constant as x increases.

Solve the equation 2(x - 3) = 8.

• 10

• 5

• 3

• 7