Can somebody me out ?
- what is the circumference of r=9.5mm ?

I will explain in a few steps on how to find the circumference of a circle with radius 9.5mm.

To start off, remember that: 2 multiplied by pi multiplied by radius is how you find the circumference. In short form, 2*pi*r

pi is equal to 3.14.

We will now multiply 2 with 3.14 which is 6.28. 6.28 multiplied by 9.5 is equal to 59.66.

The circumference of the circle is 59.66 mm.

Hope it helps.

Can you please choose mine as the brainliest answer

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50