Question

@Data_LG2

Answer 1

it means that you should multiply both the functions
\( (f•g)= (2x-1)(x^2-7)\)
simplify it and you'll get the answer

note that if it's an open circle, it means that one function must be the dependent variable of another function

Answer 2

did you expand it already? @mayafrancis

Answer 3

b

Answer 4

right :)