Solve the equation for solutions in the interval [0°, 360°).tan 4? = 0
A. {0°, 45°, 90°, 135°, 180°, 225°, 270°, 315°}
B. {0°, 45°, 90°, 135°, 180°, 225°, 270°}
C. {33°, 57°, 147°, 237°, 327°}
D. {0°, 90°, 180°, 270°}
Answer: A
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Let x represent the number. Write the English phrase as an algebraic expression. Then simplify the expression, if possible.-3 times the sum of a number and 29.
A. (-3 + x) ? 29; -87 + 29x B. -3x + 29; cannot be simplified C. -3(x + 29); -3 + 29x D. -3(x + 29); -3x - 87
Solve the problem.A power boat in still water maintains a speed of 40 miles per hour. The boat heads directly across a river perpendicular to the current which has a speed of 8 miles per hour. Find the actual speed and direction of the boat.
A. 40 miles per hour; 12° off course B. 16 miles per hour; 30° off course C. 20 miles per hour; 24° off course D. 41 miles per hour; 11° off course
Graph using a graphing utility and identify the x- and y-intercepts from the graph. Use the indicated graphing window dimensions.x - 3y = 6 (window size [-10, 10, 1] by [-10, 10, 1])
A. x-intercept = -3; y-intercept = -
B. x-intercept = -6; y-intercept = -2
C. x-intercept = 6; y-intercept = -2
D. x-intercept = -2; y-intercept = 6
Graph the quadratic equation on [-10, 10] by [-10, 10]. Does this window give a complete graph?f(x) = x2 - 2x - 6
A. 
Yes
B. 
No
C. 
Yes
D. 
No