Question

which piece of text uses this meaning of affect? affect verb to cause a change in something even when gary is deeply insulted, he tends to affect an attitude of indifference and apathy. caffeine consumption may affect male and female teenagers differently. in a 2014 study, researchers found that males experienced greater changes in heart rate and blood pressure than females did.

Explanation:

The first sentence uses "affect" to mean feign or pretend. The second sentence uses "affect" to mean cause a change in (caffeine causes different changes in male and female teenagers).

Answer:

Caffeine consumption may affect male and female teenagers differently. In a 2014 study, researchers found that males experienced greater changes in heart rate and blood pressure than females did.