How is the columbian exchange affect the americans and europe

Which of the following statements is true of cause and effect relationships

If f(x) = 3x + 2 and g(x) = 2x - 2. what is (f - g)(x)?

Montezuma was taken prisoner by the spanish and held captive for months while the spanish ransacked the city of tenochtitlan. what was the fate of montezuma? a he escaped only to be cut down in battle. b he reasoned with the spanish and got them to leave the city. c he died of old age while in the custody of cortes. d he was struck with stones trying to plead for peace with his people and it is reported he died a few days later.