Final answer:
The spread of AIDS in California in the 1980s was exponential when uncontrolled.
Step-by-step explanation:
In this question, we are discussing the spread of AIDS in California in the 1980s. The virus that causes AIDS, HIV, spreads exponentially when uncontrolled. We can see evidence of this in the increase in AIDS cases in California from approximately 1500 cases in 1984 to 4000 cases in 1986.