Use common or natural logarithms to solve the exponential equation symbolically.4(1 + 2x) = 64
A. x = 
- 2
B. x = 
- 
C. x = 
- 2
D. x = 2 + 
Answer: B
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Find the length of the missing side of the right triangle. Round to three decimal places, if necessary.a = 6, b = 5
A. c = nan B. c = 7.81 C. c = 5.5 D. c = 8.31
Provide an appropriate response. A vector has magnitude and direction. Velocity is a vector measure in that it is given measures such as 40 mph due east. Why is speed not considered a vector? Give an example of velocity and an example of speed.
What will be an ideal response?
Write the vector v in terms of i and j whose magnitude 
and direction angle ? are given.
= 10, ? = 90°
A. v = 10j
B. v = 10i
C. v = 10i + 10j
D. v = 10
Write the vector u as a sum of two orthogonal vectors, one of which is the vector projection of u onto v, projvu .u = 
, v = 
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 