If you don't include the outlier (50) then it is 79.7
....... argue 6e73t83hwp260wcsihwoec
Answer:
k = -2
Step-by-step explanation:
x -1 0 2 5
f(x) 2 0 -4 -10
ƒ(x) = kx
Substitute a pair of values for x and ƒ(x)
-10 = k×5
Divide each side by 5
k = -2
The constant of variation k = -2.
X , y = 0
0 = 2x - 10
2x = 10
x = 5