Unit 6 Benchmark Practice

Determine which of the equations below demonstrates exponential decay.

• percent rate of change

• y-intercept

• constant y:x ratio (common ratio)

• x-intercept

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• 
• 
• 

• Domain -∞ < x < ∞, Range -∞ < y < ∞;

• Domain -∞ < x < ∞, Range 0 < y < ∞;

• Domain 0 < x < ∞, Range -∞ < y < 0;

• Domain 0 < x < ∞, Range 0 < y < ∞.