Subtract.4.6 - 4.9
A. -9.5
B. -0.3
C. 9.5
D. 0.3
Answer: B
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Find v ? u.v = -7i + 4j and u = 5i + 3j
A. -47 B. -23 C. -2i + 7j D. -35i + 12j
Make a numerical representation (table) of f for x = -2, -1, . . . , 2 then graph the function. Round table values to the nearest hundredth when necessary.f(x) = 
A. 
B. 
C. 
D. 
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 6 - 5 sin (?t)
A. simple harmonic; 5 m; 
sec; 2 oscillations/sec
B. simple harmonic; 5 m; 2 sec; 
oscillation/sec
C. simple harmonic; -5 m; 2 sec; 
oscillation/sec
D. simple harmonic; 6 m; 2 sec; 
oscillation/sec
Solve the equation.
+ 
= x + 5
A. 
B. 
C. 
D. 