Answer:
-189
Step-by-step explanation:
minus 8 on both sides, then multiply 9 on both sides, get r=-189
3 1/4 + 2 1/3 = 67
12
= 57
≅ 5.5833333
f(3) = - 9
To evaluate f(3) , substitute x = 3 into f(x) , that is
f(3) = - (3)² = - 9
+2r-2n+7