Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 9)x
A. x ln(x + 9)
B. ln(x + 9) + 
C. x + (9)x-1
D. (x + 9)x
Answer: D
Mathematics
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Solve the given equation by finding the unknown value.87 ? ? = 0
A. 87 B. 0 C. not possible D. 1
Mathematics
Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set.(A ? B)'
A. {q, s, t, u, v, w, x, y} B. {t, v, x} C. {r, t, u, v, w, x, z} D. {s, u, w}
Mathematics
Determine whether the relation is also a function.{(-8, -7), (-8, 9), (1, -6), (5, -4), (7, 5)}
A. yes B. no
Mathematics
Match the polynomial with its binomial factors.20x2 - 7x - 6
A. (4x + 3)(5x - 2) B. (20x - 3)(x + 1) C. (4x - 3)(5x + 2) D. (20x - 3)(x + 2)
Mathematics