Verify the identity.(tan ? + 1)2 + (tan ? - 1)2 = 2 sec2 ?
What will be an ideal response?
(tan ? + 1)2 + (tan ? - 1)2 = tan2 ? + 2 tan ? + 1 + tan2 ? - 2 tan ? + 1 = 2(tan2 ? + 1) = 2 sec2 ?
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Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.g(x) = 
x3 - 8x + 7
A. Quadratic; 
x2; 
; 2
B. Linear; 7; 7; 1
C. Cubic; 
x3; 
; 3
D. Linear; -8x; -8; 1
Solve the problem.An airplane is sighted at the same time by two ground observers who are 2 miles apart and both directly west of the airplane. They report the angles of elevation as 12° and 
How high is the airplane? Round to the nearest hundredth of a mile.
A. 0.95 mi B. 0.42 mi C. 0.72 mi D. 1.64 mi
Use the data in the table to construct a bar graph.The following table shows the revenue for a company (in millions of dollars) for the four quarters of 1999 and 2000.
What will be an ideal response?
Write the equation in slope-intercept form.x - 6y = 8
A. y = 6x - 8
B. y = 
x - 
C. y = x - 
D. y = 
x - 8