Exponential growth and decay1

Exponential function with initial value 1450 and decay of 18% for x years? Options: $$y=1450\left(0.18\right)^x$$ , $$y=1450\left(1.18\right)^x$$ , $$y\ =\ 1450\ -\left(0.18\right)^x$$ , $$y=1450\left(0.82\right)^x$$

What is the growth rate for the function $$f\left(x\right)=354\left(1.15\right)^x$$ ?

Equation modeling the amount of flea medicine left in an animal with an initial dose of 60 mg and decay rate of 20% per hour.

Classify the model: A=1200(.85)⁶ as Exponential GROWTH or DECAY.

This is an example of:

Linear Growth

Linear Decay

Exponential Growth

Exponential Decay