The mean of a set of 5 numbers is 7

What is the sum of the numbers?

(This is a quiz for ‘Integers and Data Management’)

Me with this one question, and i'll upvote the brainliest answer

What is the prime factorization of 23 ?me with this question

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.