As the variation is direct then we have the following expression:
From here, we clear the value of k.
For this we use the following data:
y = 144 when x = 4
Substituting values:
Clearing k we have:
Then, the function is:
When x = -5 we have:
Answer:
the value of y when x = -5 is:
b.
225
From here, we clear the value of k.
For this we use the following data:
y = 144 when x = 4
Substituting values:
Clearing k we have:
Then, the function is:
When x = -5 we have:
Answer:
the value of y when x = -5 is:
b.
225