Examine this portion of Colleen’s budget chart for July, August, and September:

Let matrix C be a 6 x 3 matrix whose elements are the entries in the budget chart above.
a. What is the value of the element C_3,3?
b. What is the value of the element C_2,1?
c. What is the value of the element C_6,2?
d. Which element has a value of 100?
e. Which element has a value of 650?
f. What would happen to each of the elements in the matrix 2C?
g. Suppose matrix D was a 6 x 3 matrix each of whose elements are 80% of those in matrix C. What is matrix D?

Transcribed Image Text:

Variable Expenses Groceries (dollars) Dining Out (dollars) Fuel (Car) (dollars) Cell Phone (dollars) Electricity (dollars) Water (dollars) July 600 150 200 60 80 50 August 700 150 200 70 100 50 September 650 150 200 75 80 50