What are the coefficients in Pascal's triangle for the 3rd power

Can someone tell me if this is perpendicular? !

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.

Determine domain and range, largest open interval, and intervals which function is continuous.