8
Answer: DSet 2: Exponential Functions (Advanced)
Explanation
PROBLEM
Recent studies show that simplify: 4 to the power of (-1). Express as a fraction 1/n.
Simplify: 4 to the power of (-1). Express as a fraction 1/n.
A.
1/5
B.
4
C.
1/3
D.✓ Correct
1/4
Detailed Explanation
[Variation 1] Choice D is the best answer. 4 to the power of (-1) = 1/4 to the power of 1 = 1/4
Why others are wrong:
A: 1/5 is incorrect because it does not satisfy the equation.
B: 4 is incorrect because it does not satisfy the equation.
C: 1/3 is incorrect because it does not satisfy the equation.