Solve the equation for solutions in the interval [0°, 360°).
sec 2? = 2
A. {0°, 120°, 180°, 240°}
B. {15°, 165°, 195°, 345°}
C. {105°, 165°, 285°, 345°}
D. {30°, 90°, 150°, 270°}
Answer: B
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Find the divergence of the field F.F = 2x7i + 2xyj + 3xzk
A. 19 B. 14x6 + 5x + 19 C. 14x6 + 2y + 3z D. 14x6 + 5x
Solve the problem.Shown is the image of a figure under the two successive translations that take P to P' and then P' to P''. Find the original figure. Note again, the given figure is the image after translation. Hint: First find the final image of a point if it were translated by both translations. Then what happens in the reverse process?
A. 
B. 
C. 
D. 
Write an equation using the variable x to represent any unknown quantity. Do not solve the equation.After adding 4 to a number, the result is 4 less than double the same number. Write an equation for which the solution gives the unknown number.
A. x = 2x - 4 + 4 B. x + 4 = 4 - 2x C. x + 4 = 2x - 4 D. x + 4 = 2(x - 4)
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."5x3 + 5x2y - 100xy2
A. (x - 4y)(5x2 + 25xy) B. 5x(x + 4y)(x - 5y) C. prime D. 5x(x - 4y)(x + 5y)