Question 864777
let y = f(x)
a) y = 10^x
solve for x
x = log (y)
now switch x and y
y = log (x) and now
f^-1(x) = log (x)
b) here is the graph
red is 10^x, green is log(x)
{{{ graph( 300, 200, -10, 10, -10, 10, 10^x, log (10, x)) }}}