Practice problem
Which of the following functions model exponential decay? (Select all that apply)
f(x)=e0.15xf(x) = e^{0.15x}f(x)=e0.15x
f(x)=e−0.2xf(x) = e^{-0.2x}f(x)=e−0.2x
f(x)=2−0.5xf(x) = 2^{-0.5x}f(x)=2−0.5x
f(x)=0.9xf(x) = 0.9^xf(x)=0.9x
Type a concept, like “slope” or “photosynthesis”.