Solve part A for me in the picture pls

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Which function has the domain x> -11?

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