Function Evaluation

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

• 7

• 10

• 15

• 11

If g(x) = x^2 - 5x, find g(3).

• -6

• 10

• 7

• -3

Given h(x) = 4/x, calculate h(2).

• 1

• 5

• 3

• 2

Find the value of k(x) = 3x^2 - 2x + 1 when x = -1.

• 10

• 6

• -4

• 0

Evaluate the function m(x) = √x for x = 9.

• 2

• 6

• 5

• 3

If n(x) = 2x - 1, what is n(5)?

• 11

• 3

• 7

• 9

Determine the value of p(x) = x^3 + 2x - 4 when x = 0.

• -4

• 2

• 0

• -2

Calculate the result of q(x) = 5x + 10 for x = -2.

• 0

• 20

• -5

• 15

If r(x) = 3x^2 + 4x - 1, find r(-2).

• 10

• -3

• 3

• 7

Given s(x) = 1/x, what is s(4)?

• 0.25

• 3

• 0.5

• 2