24 quaters because 4*6=24
Suppose y= cot x is our parent function then remember general rules of transformation.
1) y= -f(x), reflects the graph of f(x) across x-axis.
2) y= cf(x), stretches the graph of f vertically by factor of c , for c >1.
Now, apply these rules to y= -4 cot(x)
the -ve sign reflects the graph of cot(x) across x-axis and the number 4 will stretch it vertically by 4 units.
The graph of both parent function (y=cot x ) and transformed function (y= -4 cot(x)) are attached below.
Since there is 60 minutes in a hour you would multiply 20*3 to get the hour. Now since you multiplied the minutes by 3 you also multiply the amount of miles giving you 9 miles per hour
Step-by-step explanation:
the "x-2" makes it shift by 2 to the right (functional values are created at x that "should have happened" at 2 x units before, so the whole graph moves to the right).
the 0.4 factor compresses it by the factor 0.4
the "-" at the beginning just "flips" (reflects) it to the other side of the x-axis.