Answer:
-6.5-2=-8.5
Step-by-step explanation:
no working out needed that is as simple as it gets mate
f(x) = mx + b m = slope = -5 f(2) = 10 = (-5)(2) + b b = 10 + 10 = 20 Ans. m=-5, b = 20
4 x 400 = 1600
4 x 50 = 200
4 = 5 = 20
answer 1820
