Calculate the flux of the field F across the closed plane curve C.F = yi - xj; the curve C is the circle (x - 7)2 + (y - 10)2 = 9
A. -42
B. 42
C. 0
D. 84
Answer: C
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (cos x)x
A. (cos x)x (ln cos x - x tan x) B. ln x(cos x)x - 1 C. ln cos x - x tan x D. (cos x)x (ln cos x + x cot x)
Use a graphing calculator to solve the equation.2log4 + log x = 7
A. 1,439,115.6831 B. 625,000.0000 C. 1.60 × 108 D. 1,250,000.0000
Answer the question.The bar graph below shows the number of students by major in the College of Arts and Sciences.
MAJORHow many students are majoring in Math?
A. 250 B. 150 C. 200 D. 300
Find the values of x for which the given function is concave up, the values of x for which the function is concave down, and any points of inflection.y = 7x - x3
A. Concave up for x < 0, and x > 1, concave down for 0 < x < 1, points of inflection at (0, 0), (1, 7) B. Concave up for x < 0, concave down for x > 0, point of inflection at (0, 0) C. Concave down for all x, no points of inflection D. Concave down for x < 0, concave up for x > 0, point of inflection at (0, 0)