7

Set 2: Exponential Functions (Intermediate)

Explanation

Answer: A

PROBLEM

Recent studies show that solve for x: 5 to the power of x = 625

Solve for x: 5 to the power of x = 625

A.

4

✓ Correct
B.

5

C.

6

D.

3

Detailed Explanation

[Variation 1] Choice A is the best answer. 5 to the power of 4 = 625, so x = 4

Why others are wrong:
B: 5 is incorrect because it does not satisfy the equation.
C: 6 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.