Distance As A Function Of Time
Suppose I am driving along at 30 miles per hour. If I let x = # hours traveled and y = distance traveled, then y is determined by x, so y is a function of x. Which of the following equations can be used to represent this function?
A
y = 30x
B
None of these are correct.
C
y = 30 + x
D
y = x - 30