Answer:
150 scores
Step-by-step explanation:
The computation of the score did she get is shown below:
Since there is 18 test presented
And if the test is done on correct manner so 10 points should be awarded
Now since fifth-sixth would be done correctly
So,
= 18 × 5 ÷ 6 × 10
= 150 scores
The value of function f(x) at x = 7 is f(7) = 28
For given question,
we have been given the value of function f(x) at x = 5.
f(5) = 12
We have been given that f'(x) is continuous on 5 and 7
Also, 
We need to find the value of f(7)
Since ∀x, f'(x) = f'(x), f is a primitive function of f' .
And f ' is continuous
![\Rightarrow \int\limits^7_5 {f(x)} \, dx =16\\\\\Rightarrow [f(x)]_5^7=16](https://tex.z-dn.net/?f=%5CRightarrow%20%5Cint%5Climits%5E7_5%20%7Bf%28x%29%7D%20%5C%2C%20dx%20%3D16%5C%5C%5C%5C%5CRightarrow%20%5Bf%28x%29%5D_5%5E7%3D16)
⇒ [f(7) - f(5)] = 16
⇒ f(7) - 12 = 16
⇒ f(7) = 16 + 12
⇒ f(7) = 28
Therefore, the value of function f(x) at x = 7 is f(7) = 28
Learn more about the function here:
brainly.com/question/19508092
#SPJ4
the 1st and 2nd ones r correct
Step-by-step explanation:
hope this helps