Compute the indicated derivative using the chain rule.
?
; 
?
A. 
B. 6
C. 7
D. 
E. 
Answer: E
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Find the exact value of the expression using the provided information.Find cos(s + t) given that cos s = 
, with s in quadrant I, and sin 
with t in quadrant IV.
A. 
B. 
C. 
D. 
Determine whether y ? ? or y ? -? as x ? -? and x ? ?.y = x3 - x4 + 4x2 - 2x + 8
A. y ? -? as x ? -?; y ? ? as x ? ? B. y ? ? as x ? -?; y ? -? as x ? ? C. y ? -? as x ? -?; y ? -? as x ? ? D. y ? ? as x ? -?; y ? ? as x ? ?
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 + 4x + 5 
A. vertex (-2, -9)
intercepts (-5, 0), (1, 0), (0, -5)
B. vertex (2, -9)
intercepts (5, 0), (- 1, 0), (0, -5)
C. vertex (-2, 9)
intercepts (-5, 0), (1, 0), (0, 5)
D. vertex (2, 9)
intercepts (5, 0), (- 1, 0), (0, 5)
Graph the function.f(x) = ln (x) 
A. 
B. 
C. 
D. 