A manufacturer of doors, windows, and cabinets writes her yearly profit (in thousands of dollars) for each category in a vector as: 
Her fixed costs of production can be described by the vector: 
What would her income be if increasing it threefold would cause her profit to be five times as large? (Round to the nearest thousand dollars.)
What will be an ideal response?
3
- 
= 5 
; x1 = 427, x2 = 542, x3 = 907
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Find the power of i.69 + 10i2
A. 79 B. 69 + 10i C. 59 D. 69 - 10i
Consider the following supply and demand schedules, with p in dollars and x as the number of units. Supply Schedule Demand Schedule x p x p 0 150 0 860 10 220 10 750 20 350 20 700 30 430 30 540 40 490 40 490 50 590 50 410 Use Simpson's Rule to approximate the producer's surplus at market equilibrium to 2 decimal places. Note that market equilibrium can be found from the tables. ?
A. $6,466.67 B. $23,333.33 C. $16,166.67 D. $26,366.67 E. $13,133.33
Show that the equation is not an identity by listing the value(s) of the variable from among 0, ?/4, ?/2, and - ?/4 for which the equation is false.
= 1
A. 
B. 
and - 
C. - 
D. 0 and 
Find the area of triangle.
a = 36.2 cm, c = 33 cmRound to the nearest tenth.
A. 536.5 cm2 B. 530.7 cm2 C. 517.2 cm2 D. 521.4 cm2