Determine the maximum possible number of turning points for the graph of the function.f(x) = - x2 + 14x + 33
A. 0
B. 3
C. 2
D. 1
Answer: D
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Find the unit tangent vector of the given curve.r(t) = (5 sin3 8t)i + (5 cos3 8t)j
A. T = (5 sin 8t)i - (5 cos 8t)j B. T = (120 sin 8t)i -(120 cos 8t)j C. T = (5 cos 8t)i - (5 sin 8t)j D. T = (sin 8t)i - (cos 8t)j
Solve.Find the equilibrium point for the given supply and demand functions. Here y represents price and x represents quantity. y = 4180 - 70x (demand) y = 120x (supply)
A. 50, $2640 B. 50, $680 C. 22, $2640 D. 34, $1800
Solve the problem.The table gives the approximate monthly average temperatures in degrees Fahrenheit in a certain city. In this table x represents the month with 
corresponding to July.
If the numbers in the table correspond to an even function f with domain 
what is the average temperature in March?
A. 52°F B. 42°F C. 32°F D. 37°F
Evaluate the expression without using a calculator, and write your answer in radians.
?
What will be an ideal response?