The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 4 sin t - cos tFind the body's acceleration at time t = ?/4 sec.
A. - 
m/sec2
B. 
m/sec2
C. - 
m/sec2
D. 
m/sec2
Answer: A
Mathematics
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Find the linearization L(x) of f(x) at x = a.f(x) = 
, a = 8
A. L(x) = 
x + 
B. L(x) = 
x + 4
C. L(x) = 
x + 
D. L(x) = 
x + 
Mathematics
Find the phase shift of the function.y = sin 
A. 
units up
B. 
units to the left
C. 
units to the right
D. 
units down
Mathematics
Answer the question.The table shows the number of pupils per teacher in selected states.
Which states have a figure that is at most 12.5?
A. Alaska, Texas, California, Idaho, Missouri B. Alaska, Texas, California, Wyoming, Idaho, Missouri C. Wyoming, Maine D. Maine
Mathematics
Find the sum of the arithmetic sequence.-3 + 1 + 5 + 9 + 13 + ... + (4n - 7)
A. n(4n + 7) B. n(2n + 5) C. n(2n - 5) D. n(4n - 7)
Mathematics