Advanced MathEasyBehaviour of a growing exponential
Advanced Math practice question
As x increases, what happens to the value of y = 2ˣ?
- A. It increases.Correct
- B. It decreases.
- C. It stays the same.
- D. It becomes negative.
Answer: A. It increases.
2ˣ doubles each time x increases by 1: 2, 4, 8, and so on.
Why the other answers are wrong
- B. It decreases.
- A base greater than 1 makes the function grow.
- C. It stays the same.
- The value changes with x.
- D. It becomes negative.
- 2ˣ is always positive.
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