Advanced MathEasyDifference between two values of an exponential
Advanced Math practice question
For the function y = 2ˣ, how much larger is the value of y at x = 3 than at x = 2?
Answer: 4
At x = 3, y = 8; at x = 2, y = 4. The difference is 4.
Common wrong answers
- If you answered 1
- 1 is the difference in x.
- If you answered 2
- 2 is the ratio of the two values.
- If you answered 8
- 8 is y at x = 3 alone.
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