Answer:
A. T(x) = -3x² + 75
Step-by-step explanation:
The number of tables she takes is 5 + x. The amount she makes from each table is 15 − 3x. So the total is:
T(x) = (15 − 3x) (5 + x)
T(x) = 3 (5 − x) (5 + x)
T(x) = 3 (25 − x²)
T(x) = 75 − 3x²
Answer:
54.144
Step-by-step explanation:
I would just say 54
Answer:
Ordinal Variables
Step-by-step explanation:
Ordinal level of variable measurement is the level of measurement that depicts high level of ordered relationship among the variable’s observations.
The ordinal level of measurement indicates an ordering of the measurements.
This type of variable have a meaningful order to them. An example is class grade (with possible values of Excellent, Very Good, Good, Credit, Fair and Poor).
Another example is the education level (with possible values of high school, undergraduate degree, and graduate degree).
An irrational number is a number that can't be expressed in form of a/b. Where b does not equal 0. And -16 can be expressed in the form of a/b. So no, it is not an irrational number.
What is your question? Could you further explain what you are asking?