Functions

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

• 9

• 11

• 6

• 14

Find the domain of the function g(x) = √(x + 5).

• x ≥ -5

• x ≤ -5

• x > -5

• x = -5

Determine the range of the function h(x) = x^2 - 4x + 4.

• [0, +∞)

• [4, +∞)

• (-∞, 0)

• (-∞, +∞)

• [0, 4]

Evaluate the function k(x) = |x - 2| for x = 5.

• 1

• 3

• 4

• 6

Find the domain of the function m(x) = 1/(x - 3).

• All real numbers except x = 0

• All real numbers except x = 3

• All real numbers except x = 1

• All real numbers except x = 2

Determine the range of the function n(x) = 3x^2 + 2x - 1.

• Range: (-∞, ∞)

• Range: [2/3, ∞)

• Range: (-∞, 2/3)

• Range: [0, ∞)

Evaluate the function p(x) = 4x^3 - 2x^2 + x - 1 for x = -2.

• -47

• -43

• -50

• -39

Find the domain of the function q(x) = √(4 - x^2).

• [0, 2]

• [-1, 1]

• [-2, 2]

• [-3, 3]

Determine the range of the function r(x) = 1/x.

• Only positive numbers

• All even numbers

• All real numbers except 0

• All integers

Evaluate the function s(x) = 3|x + 1| for x = -2.

• 5

• 0

• -3

• 3