Find the critical point(s) of the function. Then use the second derivative test to classify the nature of each point, if possible. Finally, determine the relative extrema of the function.
?
?
A. 
and 
; saddle point: 
; relative maximum value: 
?
B. 
and 
; relative minimum: 
; relative maximum value: 
C. 
and 
; saddle point: 
; relative minimum value: 
?
D. there are no critical points
Answer: C
Mathematics
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= 21
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Find f"(x) for the function.f(x) = 
.
A. 
B. 
C. 
D. 
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Find the acute angle A. Leave answer in decimal degrees rounded to seven decimal places, if necessary.tan A = 0.58338072
A. 210.258463° B. 329.741537° C. 30.2584629° D. 59.7415371°
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Find the length of the unknown segment labeled with the variable x.AB and CD are parallel 
A. x = 38 B. x = 50 C. x = 40 D. x = 32
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