Question

Please help explanation if possible

Answer 1

Answer:

y = 0.45x

Step-by-step explanation:

After 2 secs can ring 2 × 0.45

After 3 secs can ring 3 × 0.45

After 4 secs can ring 4 × 0.45 , then

After x secs can ring y = x × 0.45 = 0.45x , that is

y = 0.45x

Answer 2

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Sudden uncontrollable fear or anxiety, often causing wildly unthinking behaviour.