For the function ()=23−3+5, calculate ′(2.5) and ′′(4) with step size ℎ=0.5. Also calculate the relative errors

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Is the point (0, 8) on the x-axis or y-axis? how do you know?