Graph the function.f(x) = 2x
A. 
B. 
C. 
D. 
Answer: D
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Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.The sum of four times a number and 4 is equal to the difference of twice the number and 8. Find the number.
A. 4x + 4 = 2x - 8; 6 B. 4x + 4 = 2x + 8; 2 C. 4x + 4 = 2x - 8; - 6 D. 4(x + 4) = 2x - 8; - 12
Solve the problem.The length of the ellipse x = a cos t, y = b sin t, 0 ? t ? 2? is Length = 4a
where e is the ellipse's eccentricity.Use Simpson's Rule with n = 6 to estimate the length of the ellipse when a = 2 and e = 1/3.
A. 12.1751 B. 12.2097 C. 11.2546 D. 11.8956
Find all points where the function is discontinuous.
A. x = 2 B. None C. x = -2, x = 2 D. x = -2
Find the angle between u and v in radians.u = -6i + 9j - 6k, v = 9i + 10j - 10k
A. 1.57 B. 0.48 C. 1.35 D. 1.09