The range of the function f(k) = k2 + 2k + 1 is {25, 64}. what is the function’s domain?

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Suppose that the function f is defined. , for all real numbers, as follows. _ \ 1/4x² -4 if x≠ -2 f(x)=< /_-1 if x=-2 find f(-5), f(-2), and f(4)

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?