Advanced MathHardInput of an exponential function for a given output
Advanced Math practice question
The function h is defined by h(x) = 3·2ˣ. For what value of x is h(x) = 96?
Answer: 5
2ˣ = 32, so x = 5.
Common wrong answers
- If you answered 4
- 4 uses 2ˣ = 16.
- If you answered 6
- 6 uses 2ˣ = 64.
- If you answered 32
- 32 is 2ˣ, not x.
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