babygreg2001p97abr
23.08.2020 •
Mathematics
The linear function f(x) = 0.5x + 80 represents the average test score in your math class, where x is the number of the test taken. The linear function g(x) represents the average test score in your science class, where x is the number of the test taken... (look at the image below)
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Ответ:
Science class had a higher average after completing test 4
Step-by-step explanation:
We are given that The linear function represents the average test score in your math class:
Function:
We are also given that The linear function g(x) represents the average test score in your science class, where x is the number of the test taken.
x g(x)
1 81
2 83
3 85
To Find equation we will use two point slope form:
Part A: Determine the test average for your math class after completing test 2.
Substitute x = 2 in function that represents the average test score in your math class
So,f(2)=0.5(2)+80=81
Part B : Determine the test average for your science class after the completing test 2. (2 points)
From the given table the test average for your science class after the completing test 2 is 83.
Part C: Which class had a higher average after completing test 4?
The average test score in your math class after completing test 4 is:
f(x)=0.5x+80
f(x)=0.5(4)+80
f(x)=82
The average test score in your science class after completing test 4 is:
f(x)=2x+79
f(x)=2(4)+79
f(x)=8+79
f(x)=87
So, Science class had a higher average after completing test 4
Ответ:
Step-by-step explanation: