Question

For the function f(x) = x + 4, what is the ordered pair for the point on the graph when x = 3p?
a. (x, x + 4)
b.(x, 3p + 4)
c.(3p, x + 4)
d.(3p, 3p + 4)

Answer 1

f ( x ) = x + 4
x = 3 p
f ( 3 p ) = 3 p + 4
Answer. D ) 
The ordered pair is:
( x, y ) =  ( 3 p, 3 p + 4 )
Thank you.