Answer: <em>-1</em>
Step-by-step explanation:
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.
Answer: 1 hour
explanation: 676/13 = 52, meaning you are driving 52 miles an hour.