Change to an equivalent expression involving an exponent.logb r = s
A. rb = s
B. br = s
C. rs = b
D. bs = r
Answer: D
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Identify the type of surface represented by the given equation.
- 
= 
A. Paraboloid
B. Parabolic cylinder
C. Hyperbolic paraboloid
D.
| Ellipsoid |
Find the unit tangent vector T and the principal unit normal vector N. r(t) = 
i + 
j + 3tk
A. T = 
(cos 0.8t)i - 
(sin 0.8t)j ; N = (-sin 0.8t)i - (cos 0.8t)j
B. T = 
(cos 0.8t)i - 
(sin 0.8t)j + 
k ; N = (-sin 0.8t)i - (cos 0.8t)j
C. T = 
(sin 0.8t)i - 
(cos 0.8t)j ; N = (-sin 0.8t)i - (cos 0.8t)j
D. T = 
(cos 0.8t)i - 
(sin 0.8t)j + 
k ; N = (-sin 0.8t)i - (cos 0.8t)j
Solve the problem.The accompanying figure shows the graph of y = x2 shifted to a new position. Write the equation for the new graph.
A. y = x2 - 2 B. y = (x + 2)2 C. y = x2 + 2 D. y = (x - 2)2
Provide an appropriate response.November is a 31 day month.
A. True B. False