Evaluate ∫ x cos 3x dx. a. 1/3 x sin 3x + 1/9 cos 3x + c b. 1/3 x sin 3x - 1/3 sin 3x + c c. 1/2 x2 + 1/18 sin2 3x + c d. 1/6 x2 sin 3x + c

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p