Find all the real zeros of 
a. 
b. x = -3, 1, -7
c. 
d. 
e. 
d.
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (10 sin 3t)i - (3 cos 3t)j + (10 csc 3t)k
A. a
= 90i + 90k
B. a
= -90i + 90k
C. a
= -90i - 90k
D. a
= 27j + 90k
Mathematics
Find the speed of a particle with the given position function.
 Figure 3.png)
Mathematics
Factor completely.36x2 + 21xy + 3y2
A. 3(3x - y)(4x - y) B. Prime C. (9x + 3y)(4x + y) D. 3(3x + y)(4x + y)
Mathematics
List the critical values of the related function. Then solve the inequality.
< 4
A. -5, 4; (-5, 4)
B. 4, 
; 
C. 4, 
; (-?, 4) ? 
D. No critical values; ?
Mathematics