# Answer to Question #31431 in Trigonometry for Kristen Woods

Question #31431

Solve for X:

Log 2 16 = X

A. 8

B. 256

C. 4

Log 2 16 = X

A. 8

B. 256

C. 4

Expert's answer

The logarithm of a number x with respect to base b is theexponent by which b must be raised to yield x. In other words, the logarithm of

x to base b is the solution y to the equation. b^y=x. It's our general formula.

Substitute in general formula our data. 2^x=16, therefore x=4.

Answer: C

x to base b is the solution y to the equation. b^y=x. It's our general formula.

Substitute in general formula our data. 2^x=16, therefore x=4.

Answer: C

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