Find the area of the region under the graph of the function
?
?
on the interval 
, using the fundamental theorem of calculus. Then verify your result using geometry.
?
A. 14 sq units
B. 13 sq units
C. 12 sq units
D. 9 sq units
Answer: C
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Find the length of the circular arc associated with the angle ?. An angle of measure 
in a circle of radius 8
A. 
?
B. 
C. 
D. 
?
Solve the right triangle for all missing sides and angles to the nearest tenth.
c = 6B = 34°
A. A = 56°, a = 3.4, b = 5 B. A = 56°, a = 5, b = 3.4 C. A = 56°, a = 4, b = 3.4 D. A = 56°, a = 5, b = 4
Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 2.11 B. 4.23 C. 1.06 D. 2.27
Find the period P and amplitude A and graph at least two periods of the equation.y = 4 sin 2x
A. P = 90° , A = 2
B. P = 180° , A = 4
C. P = 180° , A = 4
D. P = 90° , A = 2
E. P = 180°, A = 4