Determine whether f and g are inverses by determining whether 
and 
f(x) = 
, g(x) = - 
A. Yes
B. No
Answer: B
Mathematics
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Find the length and direction (when defined) of u × v.u = 2i + 8j , v = i - j
A. 10; -k B. 10; -10k C. 6; 6k D. 6; -6k
Mathematics
The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)
What is the body's acceleration when t = 8 sec?
A. -2 ft/sec2 B. 1.67 ft/sec2 C. 1 ft/sec2 D. 0 ft/sec2
Mathematics
Add: (1 - j8) + (6 + j3)
a. 7 + j11 b. 5 - j11 c. 5 - j5 d. 7 - j5 e. 6 - j11
Mathematics
Multiply.10x9 ? 5x10
A. 15x19 B. 100x19 C. 50x19 D. 50x90
Mathematics