Solve the problem.Janet drove 268 kilometers and the trip took 4 hours. How fast was Janet traveling?
A. 1072 km/hr
B. 68 km/hr
C. 67 km/hr
D. 
km/hr
Answer: C
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Solve the initial value problem.
= 3x-3/4, y(1) = 7
A. y =- 
x-7/4 - 
B. y = 3x1/4 + 4
C. y = 12x1/4 + 84
D. y = 12x1/4 - 5
The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error 
. Round your answer, if appropriate.f(x) = 
, x0 = 3, dx = 0.5
A. 0.17778 B. 0.10318 C. 0.00794 D. 0.34921
Let u represent src="https://sciemce.com/media/4/ppg__tttt0516191133__f1q13g7.jpg" style="vertical-align: -17.0px;" />
, v represent 
, and w represent 
. Solve first for u, v, and w. Then solve the system of equations.
+ 
+ 
= - 
- 
- 
= - 
+ 
+ 
= - 
A. (1, 5, -5)
B. 
C. (-1, -5, -5)
D. (-1, -5, 5)
Find an equation of an ellipse satisfying the given conditions.Foci at (0, -4), (0, 4); vertices at (0, -8), (0, 8)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1