Ive tried many times and cant get it. a) Show that U is a vector subspace of P3.
b) Express U as a generator set and determine a basis.
c) Calculate the dimension of the subspace U.

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.