From the given f(x) and g(x), the value of (g-f)(2)=1
Given :
The functions are

Lets evaluate (g-f)(2)

To find out g(2), replace 2 for x in g(x) and then replace 2 for x in f(x)

Now we find g(2)-f(2)

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Significant figures are the digits that carry meaning to its measurement. Significant figures includes all the numbers excluding all the leading zeros, trailing zeros. All non zero digits are significant. Zeros between the non zero digits are significant. In a decimal number, trailing zeros are significant.
Now, consider the given number 0.23350
Since, in a decimal number all the trailing zeros are significant.
So, in the number 0.23350 there are five significant figures 2,3,4,5 and 0.
Therefore, there are 5 significant figures in the given number.
Answer:
28
Step-by-step explanation:
count the numbers next to the 5, 6 & 7 = 10. then there are 2 numbers next to 8 less than 2
so 10 +2 = 12 students