The cost of tuition at a community college is given $$C ( x ) = 490 + 54 x$$ x, where x is the number of credit hours. Interpret the slope of this function as a rate of change.
A) The tuition at the community college increases by $490 for each additional credit hour.
B) The tuition at the community college increases by $490 for each additional 54 credit hours.
C) The number of credit hours increases by 54 for each increase of $490 in tuition.
D) The tuition at the community college increases by $54 for each additional credit hour.

Question

Quizplus · Accepted Answer

The slope of the function, which is 54, represents the rate of change of the cost of tuition with respect to the number of credit hours. This means the tuition increases by $54 for each additional credit hour.

The Cost of Tuition at a Community College Is Given C(x)=490+54xC ( x ) = 490 + 54 xC(x)=490+54x

The Cost of Tuition at a Community College Is Given $C ( x ) = 490 + 54 x$