Evaluate the function.The graph of y = f(x) is shown below. Find f(7)
A. 7
B. -2
C. 5
D. -5
Answer: C
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Provide an appropriate response.(a) Graph the curves r = 
and r = 
.(b) Find polar coordinates of the points of intersection of the curves in part (a).(c) Show that at the points of intersection the tangent lines to the curves are perpendicular to each other.
What will be an ideal response?
Solve the equation.13(3x - 6) = 5x - 4
A. 
B. - 
C. 
D. 
Solve the problem.Find the mode for the amounts:$1227, $14,356, $15,688, $1227 ,$18,843, $19,945, $16,222.
A. $18,843 B. $1227 C. $15,688 D. no mode
The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?
What will be an ideal response?