Question

Solve 25 = 5^x − 4
A. 1/2
B. 2
C. 4
D. 6

Answer 1

Answer:

Rounding: 2

Exact: 2.09221853...

Step-by-step explanation:

Math-way

Answer 2

Here is how to do this problem:

5^x - 4 = 25

      +4     +4

5^x = 29

og(5x)=log(29)(Take log of both sides)

x*(log(5))=log(29)

x=log(29) / log(5)

x=2.092219 or

x = 2

So, the answer is B