Which equation represents exponential decay?
A) y=0.5(1.2)^x B) y=10(1.1)^x C) y=100(0.9)^x D) y=0.1x²
A) y=0.5(1.2)^x B) y=10(1.1)^x C) y=100(0.9)^x D) y=0.1x²
