Solve the inequality and graph the solution set.
< 3
A. - 
< x < 0 ; 
B. x < 7 ; (-?, 7)
C. x < - 
or x > 0 ; 
? 
D. x < - 
; 
Answer: A
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Graph the polar equation.r = 3(2 + 2 sin ?)
A. 
B. 
C. 
D. 
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = (4x - 2y)5
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c ? 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
C. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
D. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
Use a graphing utility as an aid in factoring to solve the equation.22x2 + 129x + 44 = 0
A. x = - 11, x = - 
B. x = 
, x = - 4
C. x = - 
, x = - 
D. x = 
, x = 
Find an approximation of the area of the region R under the graph of f by computing the Riemann sum of f corresponding to the partition of the interval into the subintervals shown in the accompanying figures. Use the midpoints of the subintervals as the representative points. Round your answer to the nearest hundredth.
?
?
A. 7.92 sq units B. 8.2 sq units C. 8.27 sq units D. 6.85 sq units