M.5= 8.5

How to solve this?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

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

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m