Convert to a logarithmic equation: 9 x = 243. (no explanation required) A. log 9 x = 243 B. log 9 243 = x C. log x 9 = 243 D. log x 243 = 9 4. Solve...

3. Convert to a logarithmic equation: 9x = 243.

(no explanation required)

A. log9x = 243

B. log9 243 = x

C. logx 9 = 243

D. logx 243 = 9

4. Solve the equation. Check all proposed solutions. Show work in solving and in checking, and state your final conclusion.

√9x + 7 = 1 − 3x

(square root extends from 9x+7)