Answer:
-7
Step-by-step explanation:
you can use power rule of derivatives for that.
6.2^2 + b^2 = 8.7^2
38.44 + b^2 = 75.69
b^2 = 37.25
b ≈ 6.1
Answer:
y = 679.952
Step-by-step explanation:
It is given that, the value of y varies directly with x.
y₁ = 85, x₁ = 14

We need to find the value of y when x is 112.

So, the value of y is 679.952 when x is 112.
We have

The first integral is known and it is 48.787. The second integral is the area of a rectangle:
