Answer:

Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given that the function
y = f(x) = 3 x ( 4 x + 7)
y = 3 x ( 4 x + 7)
y = 12 x² + 21 x ..(i)
Differentiating equation (i) with respective to 'x' , we get


Answer:
9/5 or 1/2
Step-by-step explanation:
Check attachment
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Yes it is because of the chimney
Answer:
242.4
Step-by-step explanation:
y = 500×sin 29°
= 500× 0.4848
= 242.4 ft