Find all values of x (if any) where the tangent line to the graph of the function is horizontal.y = x8 + 
A. 9
B. None
C. 0
D. - 
Answer: B
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Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = sin 
y = x2 - 2
A. x = 1.65, y = 0.74 or x = -1.20, y = -0.56 B. x = 1.65, y = 0.74 C. x = 1.65, y = 0.74 or x = -1.65, y = -0.74 D. x = -1.20, y = -0.56
Use a tree diagram to answer the question.A family has 4 children. Using a tree diagram that shows how many ways the children could have been born, from first born to last born, determine how many ways the family could have had 2 boys and 2 girls.
A. 8 B. 1 C. 5 D. 6
Give an appropriate answer.Using the following graph, find an Euler circuit that begins and ends with vertex B.
A. B ? C ? D ? E ? F ? A ? B ? D ? F ? B B. B ? C ? D ? E ? F ? A ? B ? C ? D ? B ? F ? D ? B C. No Euler circuit exists. D. B ? A ? F ? E ? D ? C ? B
Rewrite the statement so the inequality symbol points in the opposite direction.5.89 < 5.97
A. 5.97 > 5.89 B. 5.97 ? 5.89 C. 5.89 ? 5.97 D. 5.89 > 5.97