Answer:
When X = 24
Step-by-step explanation:
Use derivative to locate the turning point.
48 - 2X = 0, => X = 24
Tan -1 = 13/21
31.7
32degrees
A set whose elements belong to a given set : subset
a number that can be written as a ratio in faction form : rational number
a number in decimal form that does not terminate or repeat : irrational number
a number that can be written as an infinite decimal : real number
a collection or group of objects : set
a diagram that shows the relationship between sets : venn diagram
an object that belongs to the set : element
