If f(x) = x - 1, which of the following is the inverse of f(x)? a. f-1(x) = x + 1 b. f-1(x) = 1 - x c. f-1(x) = x d. f-1(x) = x - 1

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18