Use properties of exponents to determine which functions (if any) are the same.

a) f(x) = 9x¹⁴, g(x) = 23x⁶, h(x) = 64(8x)
b) f(x) = 9x¹⁴, g(x) = 23x⁶, h(x) = 64(8x)
c) f(x) = 9x¹⁴, g(x) = 23x⁶, h(x) = 64(8ˣ)
d) None of the above