Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (8, 1, -1) for ln 
- exy+z2 = 0.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the initial value problem.
= 1; y "(0) = -4, y '(0) = 5, y(0) = 5
A. y = 
x3 - 2x2 + 5x + 5
B. y = 
x3 + 2x2 + 5
C. y = 
x3 - 2x2 + 5x + 5
D. y = 5
Mathematics
At the given point, find the line that is normal to the curve at the given point.4x2y - ? cos y = 5?, normal at (1, ?)
A. y = 
x - 
+ ?
B. y = 
x - 
+ ?
C. y = - 
x + 
+ ?
D. y = -2?x + 3?
Mathematics
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds). s (m)
When is the body standing still?
A. 2 < t < 3, 4 < t < 5, 7 < t < 9 B. 1 < t < 2 C. t = 3, t = 5, t = 8 D. 8 < t ? 10
Mathematics
Find the inverse of the function.f(x) = -5 - 3x
A. f-1(x) = 
- 
B. f-1(x) = - 
+ 
C. f-1(x) = -2 - x
D. f-1(x) = - 
- 
Mathematics