30 points: The graph below shows three functions: Which function has all real numbers as its domain? (1 point)
A. Only f(x)
B. Both g(x) and p(x)
C. Both f(x) and g(x)
D. Only p(x)
Need real and right answer asap:)

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Having a hard time understanding this question (see attachment).

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?