Question

Help! Will Medal!
The graph below shows three functions:

Graph of function f of x equals negative 3 multiplied by x plus 9. Graph of function g of x equals 5 multiplied by x plus 7. Graph of p of x equals 8 to the power of x

Which function has all real numbers as its domain?

Only f(x)
Both g(x) and p(x)
Both f(x) and g(x)
Only p(x)

Answer 1

http://tinyurl.com/n995tm5

Answer 2

This is English, not Math, please take this into the Mathematics section of OpenStudy, thank you.

Answer 3

find each domain from each equation

Answer 4

My bad

Answer 5

Moving it to Math.