Evaluate the determinant by expansion by minors.
A. -21
B. 29
C. -15
D. 15
Answer: C
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Evaluate the line integral of f(x,y) along the curve C.f(x, y) = cos x + sin y, C: y = x, 0 ? x ? 
A. 
B. 0
C. 2
D. 2
At a temperature of 20°C, the volume V (in liters) of 1.33 g of O2 is related to its pressure p (in atmospheres) by the formula 
.
?
What is the average rate of change of V with respect to p as p increases from 
to 
? What is the rate of change of V with respect to p when 
?
?
A. average rate of change: 
liter/atmosphere, instantaneous rate of change: 
liter/atmosphere
B. average rate of change: 
liter/atmosphere, instantaneous rate of change: 
liter/atmosphere
C. average rate of change: 
liter/atmosphere, instantaneous rate of change: 
liter/atmosphere
D. average rate of change: 
liter/atmosphere, instantaneous rate of change: 
liter/atmosphere
Provide an appropriate response.
= 83 Is this a linear equation?
A. Yes B. No
Graph the inequality on a number line.x ? 3
A. 
B. 
C. 
D. 