Using trigonometric identities, determine which of the following is equivalent to the following expression.
?
tan ? + cot ?
?
A. ?1
B. ?csc ? sec ?
C. 
? ? + 
?
D. ?cos ? + sec ?
E. ?sec ? + csc ?
Answer: B
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Perform the indicated operations. Write the answer in the form a + bj.(6 - 5j) + (8 + 8j)
A. -14 - 3j B. 14 - 3j C. 14 + 3j D. -2 + 13j
Test the equation for symmetry with respect to the x-axis, the y-axis, and the origin.y = 4x2 - 4
A. x-axis only B. y-axis only C. x-axis, y-axis, origin D. origin only
The Better Baby Buggy Co. has just come out with a new model, the Turbo. The market research department predicts that the demand equation for Turbos is given by 
where q is the number of buggies it can sell in one month if the price is $x per buggy. At what price should it sell the buggies to get the largest revenue? Round the result to the nearest dollar.
?
A. $14 B. ?$110 C. ?$28 D. ?$128 E. ?$3,025
Factor completely. If the polynomial is prime, state this.y3 + wy2 - 49y - 49w
A. (y + w)(y + 7)(y - 7) B. (y + w)(y + 49)(y - 49) C. (y + w)(y2 - 49) D. (y - w)(y2 + 49)