Let f(x)=x2+2x and g(x)=x−7. Evaluate the following: 1. (f∘g)(x) =
2. (g∘f)(x) =
3. (f∘f)(x) =
4. (g∘g)(x) =

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.