Ihave to reflect a triangle over the line of reflection n: y = 0. what does that mean?

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Find the domain and range of the following function f(x) = 51x - 21+ 4

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?