Suppose the function f is differentiable on[0,1]and f(1)= f(0)= 0.
Prove that there exists a real number ξ in (0,1) such that
f' (ξ)+ f(ξ)=0.

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Solve 2^x=32 and rewrite this equation in a logarithmic form

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank