20. Find the value of
8(-1) +4 if g(x) = x2 – x

Step-by-step explanation:

8(-1) +4 = -8 +4 = -4 . . . . regardless of the definition of g(x).

__

Perhaps you want

  g(-1) +4

  = (-1)^2 -(-1) +4

  = 1 +1 +4

  g(-1) +4 = 6

 A. 2 17 /21

Step-by-step explanation:you divide them.You change both mixed number to improper fraction.which is 236  /9  divide  28 /3.You do kcf which stand for KEEP CHANGE FLIP.YOU KEEP 236/9 and change Divide to mulipction sign and flip 28/3 to 3/28.You multiply236  /9  and  28/3 which gives u 708  /252.After that u simply it to 59 /21 .Lastly change back to mix number which is 2 17/21.

Hope it helps bye ;)