Power Functions Practice

What is the end behavior of f(x) = 3x⁶ as x goes to negative infinity?

• positive infinity

• negative infinity

• zero

What is the end behavior of f(x) = 5x³ as x goes to positive infinity?

• positive infinity

• negative infinity

• zero

What is the end behavior of f(x) = -3x^-4 as x goes to positive infinity?

• positive infinity

• negative infinity

• zero

What is the range of f(x) = -3x^-6?

• (-∞, +∞)

• (0, ∞)

• (-∞, 0)

• (-∞, 0) U (0, +∞)

What is the range of f(x) = -3x^-7?

• y>0

• y<0

• (negative infinity, positive infinity)

• (-infinity, 0) U (0, +infinity)

What is the range of f(x) = 4x^-2?

• (-infinity, +infinity)

• (0, +infinity)

• (-infinity, 0)

• (-infinity, 0) U (0, +infinity)

What is the range of f(x) = 4x⁵?

• (-infinity, +infinty)

• y>0

• y<0

• (-infinity, 0) U (0, +infinity)

• A parabola opening upwards

• A straight line

• A cubic curve passing through the origin

• A hyperbola

Which equation below is NOT a power function?

• y = -5/x

• y = x/5

• y = x + 5

• y = 5x

Which equation below is NOT a power function?

• y = 2x³

• y = 2(3^x )

• y = -(4/3)x

• y = 4x^-(4/3)