Use a graphing calculator to determine which expression completes the identity.The expression 
+ cot x is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. csc x
B. sec x
C. cos x
D. tan x
Answer: A
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Complete the magic (addition) square.Use each number 22, 23, 24, 25, 26, 27, 28, 29, and 30 once.
A. 
B. 
C. 
D. 
Solve the problem.Find the area of the large rectangle below in two ways. First, find the sum of the areas of the four smaller rectangles. Second, express the area of the large rectangle as the product of its length and width. 
A. area = x2 + 3x + 2 = (x + 2)(x + 1) B. area = x2 + 3x - 2 = (x + 2)(x - 1) C. area = x2 + 4x + 3 = (x + 3)(x + 1) D. area = x2 + 4x - 3 = (x + 3)(x - 1)
Using transformations, sketch the graph of the requested function.The graph of a function f is illustrated. Use the graph of f as the first step toward graphing the function F(x), where 
A. 
B. 
C. 
D. 
Find the circumference of a circle with diameter 22.8 m. Round to the nearest tenth of a meter.
What will be an ideal response?