Mia spent 30 minutes answering the math questions on the exam. This was 3/5 of the total amount of time allotted for this sectio
n of the exam. To determine the total amount of time allotted for this section of the exam, Mia set up and solved the equation as shown below.
2 answers:
Answer:
Total time allotted was:
50 minutes
Step-by-step explanation:
Let the total time allotted be x minutes.
Mia spent 30 minutes answering the math questions on the exam. This was 3/5 of the total amount of time allotted for this section of the exam.
The first step was correct i.e.
Now, on multiplying both sides by 5/3, we get
x=50
Hence, the second step was incorrect and the total time allotted was:
50 minutes
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Answer:
We can define a horizontal dilation/contraction of scale factor A, as:
g(x) = f(x*A)
if A > 1, this will be a contraction (it will be steeper)
if 0 < A < 1, this will be a dilation. (it will be less steep)
Then if we have:
g(x) = f(6*x) we have a contraction of scale factor 6, this means that the graph of the parent function will be contracted.
Below, you can see how the graphs change, where:
Blue is f(x) =x
green is g(x) = f(6*x) = 6*x
