Solve.The number of cars at a certain intersection fluctuates throughout the day according to the graph below. What is the period of the traffic function?
A. 5 hours
B. 8 hours
C. 24 hours
D. 4 hours
Answer: B
Mathematics
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Parametrize the surface S.S is the portion of the sphere x2 + y2 + z2 = 81 between z = - 
and z = 
What will be an ideal response?
Mathematics
Change the mixed number to an improper fraction.19
A. 285
B. 15
C. 
D. 34
Mathematics
Use the quadratic formula or graphing methods to solve the inequality.4x2 > 4x + 4
A. x > 
? 1.618
B. 
? -0.618 < x < 
? 1.618
C. x < 
? -0.618 or x > 
? 1.618
D. x < 
? -0.618
Mathematics
Solve. Write the answer in simplest form.Jennifer is building some shelves and requires 18 pieces of wood that are each 1
feet long. What is the total length of wood that Jennifer needs?
A. 18 feet
B. 26 feet
C. 162 feet
D. 19
feet
Mathematics