What is happening in the red graph of f(x) when the purple derivative graph is zero? how does the derivative change when f(x) is increasing versus decreasing?.

you need to show the graph

step-by-step explanation:

positive

step-by-step explanation:

the quadrant is facing upwards

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

segment bisector

step-by-step explanation:

line segment bisector. definition: a line, ray or segment which cuts another line segment into two equal parts. try this drag one of the orange dots at a or b and note the the line ab always divides the line pq into two equal parts.

mark brainliest!