Determine Whether or Not the Function Is Linear $C ( x ) = 467 + 69 x$

Multiple Choice

Determine whether or not the function is linear. If it is, determine the slope and interpret it.
-The cost of tuition at a community college is given $C ( x ) = 467 + 69 x$ x, where x is the number of credit hours.

A) Not linear
B) Linear; 69; The cost of tuition increases $69 for each additional credit hour.
C) Linear; 69; The cost of tuition decreases $69 for each additional credit hour.
D) Linear; 467; The cost of tuition increases $467 for each additional credit hour.