Let f(x) = x^2 − 7; g(x) = x + 3. Find (f − g)(t + 2)

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.