Solving Power Functions

Is the following function continuous?

f(x) = 4x^-5

• yes

• no

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

• y>0

• y<0

• (negative infinity, positive infinity)

• (-infinity, 0) U (0, +infinity)

The graph most accurately represents which of the following functions?

• y=∛x

• y = x²

• y =x³

• y = 1 ∕ x

Which function increases throughout

the interval -2 < x < 2?

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• 
• 
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Which function matches the graph?

Name the interval(s) where the function is decreasing? Click all that apply.

• -∞ < x < -1

• -1 < x < 1

• -2 < x < 2

• 1 < x < ∞

Which function matches the graph?

Which is most likely the function of the graph shown.

• f(x) = x^–1
• f(x) = ∛x
• f(x) = ln x
• f(x) = csc x