If, for all real numbers x, f'(x) 0, which of the following curves could be part of the graph f

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.