If r(t) = 7i+t cos ?tj+4 sin ?tk, evaluate  Figure 3.png)
r(t)dt.
 multiple choice.png)
 ANSWER.png)
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Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s, t), y = h(r, s, t), z = k(r, s, t)
A. 
= 
+ 
+ 
B. 
= 
+ 
+ 
C. 
= 
+ 
+ 
D. 
= 
+ 
Perform the operations.
A. 0.030306 B. 0.30306 C. 3.0306 D. 303.06
Solve.A company has just purchased a new computer for $5000. The company chooses to depreciate the computer using the straight-line method over 5 years. A linear function that expresses the book value V of the computer as a function of its age x is 
When will the book value of the computer be $2000?
A. After 2 years B. After 5 years C. After 3 years D. After 4 years
Write the equation of the line using the information given about its graph.Rate of change 9, y = - 
when x = 0
A. y = - 
x + 9
B. y = 9x + 
C. y = 9x - 
D. y = - 
x - 9