The shaft is made of l2 tool steel, has a diameter of 40 mm, and is fixed at its ends a and b. It is subjected to the couple shown where f=3. 2 kn.

the correct answer is b. negative exponential growth.

step-by-step explanation:

you can tell it's an exponential function because it decreases rapidly then levels out and never touches the x-axis.

it is negative because the y-axis decreases as the x-axis increases.

therefore it is a negative exponential growth graph.

hope i !

there is nothing below so i cannot

step-by-step explanation:

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two