Respuesta :

The answer is A. Again you should get the app CY math it shows you how to do it step by step. Brainiest?
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Answer:

A.  x = log 14 - 1

                4

Step-by-step explanation:

10⁴ˣ ⁺ ¹ + 3 = 17

10⁴ˣ ⁺ ¹ = 17 - 3

10⁴ˣ ⁺ ¹ = 14

x = log 14 - 1

          4