Evaluate4^(0)*x^(-5)when x=2

What is this equation in point-slope form?

Witch represents the inverse of the function f(x)=1/4x-12

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$