If Kim wanted to create a function that modeled a base of 7 and what exponents were needed to reach specific values, how would she set up her function?
f(x) = x^7
f(x) = 7^x
f(x) = log7x
f(x) = logx7
f(x) = x^7
f(x) = 7^x
f(x) = log7x
f(x) = logx7