Answer:
160
Step-by-step explanation:
MARK ME BRAINLIEST
Answer:
4
Step-by-step explanation:
y=8x+4
y=mx+b where m=slope and b=y-intercept
b=4
Answer:
1: because the lowest extreme and the numbers stayed the same, and if it doesn't go all the way down to the box q1, median, and q2 stay the same.
2: The median is 115, and the mean is 110.38 (etc) and that rounds down to 110, so yes
3: about 30% (I may be wrong)
4 Its less than the median. Median=9.5, mean=9.0 (Big difference)
You are correct (Below it)
5: no, because the highest extreme moved/shrinked, so if the Highest extreme moves down the mean moves down with it.
Step-by-step explanation:
Epic (8
Hmm, the 2nd derivitve is good for finding concavity
let's find the max and min points
that is where the first derivitive is equal to 0
remember the difference quotient
so
f'(x)=(x^2-2x)/(x^2-2x+1)
find where it equals 0
set numerator equal to 0
0=x^2-2x
0=x(x-2)
0=x
0=x-2
2=x
so at 0 and 2 are the min and max
find if the signs go from negative to positive (min) or from positive to negative (max) at those points
f'(-1)>0
f'(1.5)<0
f'(3)>0
so at x=0, the sign go from positive to negative (local maximum)
at x=2, the sign go from negative to positive (local minimum)
we can take the 2nd derivitive to see the inflection points
f''(x)=2/((x-1)^3)
where does it equal 0?
it doesn't
so no inflection point
but, we can test it at x=0 and x=2
at x=0, we get f''(0)<0 so it is concave down. that means that x=0 being a max makes sense
at x=2, we get f''(2)>0 so it is concave up. that means that x=2 being a max make sense
local max is at x=0 (the point (0,0))
local min is at x=2 (the point (2,4))