Well exercising julie found that her heart was being 12 times every five seconds how many times was it beating per minute

See explanation

Step-by-step explanation:

Required

Effect of replacing with

f(x) is represented as: (x,y)

While

f(x - h) is represented as (x - h, y)

Notice the difference in both is that, the x value in f(x - h) is reduced by a constant h while the y value remain unchanged.

This means that the graph of f(x) will shift horizontally (i.e. along the x-axis) to the left by h units