Sketch the graph of the exponential function. Label the y-intercept.f(x) = 
x
A. 
B. 
C. 
D. 
Answer: B
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Simplify.
A. 6
B. 19
C. 11
D. 66
Solve the equation by completing the square.5x2 - 2x - 2 = 0
A. 
B. 
C. 
D. 
A golden rectangle is said to be one of the most visually appealing of all geometric forms. The front of the Parthenon, built in Athens in the 5th century B.C. and shown in the illustration, is a golden rectangle. In a golden rectangle, the length l and the height h of the rectangle must satisfy the equation
?
.
?
If a rectangular billboard is to have a height of 13 feet, how long should it be if it is to form a golden rectangle? Round to the nearest tenth of a foot.
?
?
A. 23 ft
B. 21 ft
C. 21.2 ft
D. 22 ft
E. 20.7 ft
Convert the angle given in radian measure into degrees. Round to two decimal places if needed.- 
radians
A. 36° B. -36?° C. -36° D. 36?°