Function and Graph Analysis Quiz

What is the range of the function g(x) = 4x - 5?

• All real numbers

• All real numbers except 0

• All real numbers greater than 5

• All real numbers less than 5

Calculate f(-5) for the function f(x) = \frac{2}{x-1}.

• -\frac{2}{6}

• -\frac{2}{4}

• -\frac{2}{5}

• -\frac{2}{3}

Calculate g(\frac{1}{4}) for the function g(x) = 4x - 5.

• -4

• -3

• -2

• -1

Determine whether the relation given by the table is a function.

• Yes, it is a function.

• No, it is not a function.

• It is a function only for positive x-values.

• It is a function only for negative x-values.

What is the function value f(3) for the graph of f(x)?

• 3

• 2

• 1

• 0

What is the function value g(3) for the graph of g(x)?

• 7

• 5

• 3

• 1

Determine whether the graph of h(x) is a function.

• Yes, it is a function.

• No, it is not a function.

• It is a function only for positive x-values.

• It is a function only for negative x-values.

Is this linear or exponential? Explain.

• Linear, because it increases by a constant amount.

• Exponential, because it doubles each time.

• Linear, because it decreases by a constant amount.

• Exponential, because it halves each time.

What is the y-intercept?

• $6,000

• $6,400

• $6,800

• $7,200

Write a linear function for the situation.

• f(x) = 400x + 6000

• f(x) = 600x + 4000

• f(x) = 200x + 6000

• f(x) = 800x + 6000