The answer ? What is it i want to kbow it get better in maths and studying so please give me the answer and thank you .

Answer these questions showing your work plz

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Which graph represents the function g(x) = |x + 4| + 2?