$$f\left(x\right)=4\left(\frac{2}{3}\right)^x$$  

$$f\left(x\right)=2^x$$  

$$f\left(x\right)=\frac{1}{2}\left(3\right)^x$$  

$$f\left(x\right)=x^2-4$$  

$$F\left(t\right)=3000\left(.04\right)^t$$  

$$F\left(t\right)=3000\left(.96\right)^t$$  

$$F\left(t\right)=3000\left(1.04\right)^t$$  

Around 500

Around 1000

Around 2000

Around 2500

$991.57

$1299.12

$1563.08

$1825.98

$$\log_28$$  

$$\log_327$$  

$$\log_464$$  

$$\log_5150$$  

About -.9275

About 2.238

Undefined

x = 51

x = -25

x = 8

No solution

$$f\left(x\right)=\log_2\left(x+1\right)-3$$  

$$f\left(x\right)=\log_2\left(x-1\right)+3$$  

$$f\left(x\right)=\log_2x$$  

$$x\approx1.75$$  

$$x\approx2.196$$  

$$x\approx-3.17$$  

$$x\approx0.197$$  

$$\log_7\left(3x\right)-2\log_7\left(y^2\right)$$  

$$\log_73+\log_7\left(x^7\right)-\log_7\left(y^2\right)$$  

$$\log_73+7\log_7\ x-2\log_7\ y$$  

x = 3/2

x = -19

x = 28

x = -5