Solve by using the square root property.(x - 3)2 = 49
A. {52}
B. {10, -4}
C. {7, -7}
D. {-4, -10}
Answer: B
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Find the indicated probability. Round your answer to 6 decimal places when necessary.Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability that both marbles are white.
A. 
B. 
C. 
D. 
Find the unit tangent vector of the given curve.r(t) = (4 sin3 9t)i + (4 cos3 9t)j
A. T = (sin 9t)i - (cos 9t)j B. T = (108 sin 9t)i -(108 cos 9t)j C. T = (4 cos 9t)i - (4 sin 9t)j D. T = (4 sin 9t)i - (4 cos 9t)j
Find the simplest form of a second-order homogeneous linear differential equation that has the given solution.y = c1e-8x + c2e-5x
A. D2y + 13Dy + 40y = 0 B. D2y + 13Dy - 40y = 0 C. D2y - 13Dy - 40y = 0 D. D2y - 13Dy + 40y = 0
Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. infinitely many solutions; {
2x + y = 2} or {
2x + y = 4}
B. 
C. 
D. no solution; ?