$$ m=4^0 \ln 4=\ln 4$$
Work Step by Step
Since $ y=4^x $, then $ y'=4^x \ln 4$ and hence the slope of $ y $ at $ x=0$ is $$ m=4^0 \ln 4=\ln 4$$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.