Answer:A)0.75
Step-by-step explanation:
Given
There are four options to a question
out of which one is correct with 4 points
one is wrong but carries 1 point
Other two are wrong with a negative Point
Probability of selecting an option is 
Expected score
Expected score=1+0.25-0.5
Expected score=0.75
i was going to answer but siomeome beat me lol but hdjwStep-by-step explanation:
So,
Lets say you have a improper fraction that you want to put into a mixed number.
45
----
7
To put this into a mixed number, you divide the numerator by the denominator and put the remainder back into the numerator
45/7=6 R3
6 3/7 is the mixed number of 45/7.
Hope I helped!
Answer:
A factor of f(x) is (x + 1).
Step-by-step explanation:
When we put x+1= 0 then we get the value x= -1
This value is then put into the function to find out whether it is a root or not. For a root to exist it must not have a remainder or the remainder must be zero.
Suppose the function is
F(x)= 2x³ - 42x - 40
f(-1)= 2(-1)³ - 42(-1) - 40
f(-1)= -2 + 42- 40
f(-1)= 0
This gives -1 as the root of the function.
