1. For $f(x) = 2(3)^x$:
- growth or decay? growth
- asymptote at y = 0
- domain: all real numbers
- range: y > 0
- y-intercept: (0, 2)
2. For $f(x) = 3\left(\frac{1}{2}\right)^x + 4$:
- growth or decay? decay
- asymptote at y = 4
- domain: all real numbers
- range: y > 4
- y-intercept: (0, 7)
3. For $f(x) = 4^{x-1} - 3$:
- x | f(x)
- -2 | -2.984375
- -1 | -2.9375
- 0 | -2.75
- 1 | -2
- 2 | 1
- 3 | 13
- growth or decay? growth
- asymptote at y = -3
- domain: all real numbers
- range: y > -3
- y-intercept: (0, -2.75)
4. For $f(x) = 2\left(\frac{1}{2}\right)^x + 3$:
- x | f(x)
- -2 | 11
- -1 | 7
- 0 | 5
- 1 | 4
- 2 | 3.5
- 3 | 3.25
- growth or decay? decay
- asymptote at y = 3
- domain: all real numbers
- range: y > 3
- y-intercept: (0, 5)
Parent Tip: Review the logic above to help your child master the concept of practice worksheet exponential functions answer key.