Asked by Jesse

How would I write
1-2log(7)x as a single logarithm

Choices:
log(7) x^2/7
log(7) 7x^2
log(7) 7/x^2
log (7) x^2

Thank you
Answered by Reiny
1-2log(7)x
= log<sub>7</sub>7 - log<sub>7</sub>x^2
= log<sub>7</sub>(7/x^2)
Answered by Jesse
Thank you