(40 POINTS, WILL GIVE BRAINLIEST) There are 4 transformations for each function.
1 answer:
f(x) + n - translate the graph n units up
f(x) - n - translate the graph n units down
f(x + n) - translate the graph n units left
f(x - n) - translate the graph n units right
nf(x) - dilation of the graph along the Oy axis and the scale n
f(nx) - dilation of the graph along the Ox axis and the scale 1/n
-f(x) - symmetry of the graph with respect to the Ox axis
f(-x) - symmetry of the graph with respect to the Oy axis
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Answer:
<h2>B. The amount of fuel used was lowest at speeds around 60km/h.</h2>Step-by-step explanation:
The decreasing part is from (20,13) to (60,6), which gives an average rate of
Then, we have an increasing part from (60,6) to (120,10), which gives an average rate of
Basically, at 60 km/h the fuel used was 6 liters per 100 kilometers. Notice that the other velocities make the car to use more liters per kilometers.
Therefore, the amount of fuel used was lowest at speeds around 60 km/h.