Find all values of x (if any) where the tangent line to the graph of the function is horizontal.y = 2 + 8x - x2
A. -8
B. 4
C. 8
D. -4
Answer: B
Mathematics
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Which of the following is the best measurement unit to estimate the width of a penny?
A. ?millimeters B. ?centimeters C. ?inches D. ?a dime's width E. ?lined paper
Mathematics
Express the function in terms of its cofunction.cos 5°
A. sin 5° B. cos 95° C. sec 85° D. sin 85°
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
A. 2 ln 
+ 
tan-1 
+ C
B. 2 ln 
+ tan-1 
+ C
C. 2 ln 
+ 
tan-1 
+ C
D. ln 
+ 
tan-1 
+ C
Mathematics
Find sec ? if 
and ? terminates in QIII.
?
A. 
B. 
C. 
D. 
E. 
Mathematics