how can you use a point on the graph of f^-1(x)=9^x to determine a point on the graph of f(x)= log9x? a. Switch the x and y- coordinates b. use the opposites of the x and y- coordinates c. use the reciprocals of the x-and y- coordinates

Megan is making bracelets to sell to earn money for the local animal shelter. it takes her 1/4 hour to pick out all the beads and 1/10 hour to string them.this week, she only has 5 1/4 hours to make bracelets. how many bracelets will megan be able to make?