Differentiate.y = xln x
A. xln x - 1ln x
B.
C. 2xln x - 1ln x
D. (ln x)2
Answer: C
Mathematics
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Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(7, 8); Find tan ?.
A.
B.
C.
D.
Mathematics
Find the area or perimeter of the figure as indicated. Express the answer in terms of ? and then round to the nearest tenth.Find the area.
A. 88 + 8? ? 113.1 m2 B. 88 + 64? ? 289.1 m2 C. 112 + 8? ? 137.1 m2 D. 88 + 16? ? 138.3 m2
Mathematics
Solve the equation.-x = -35
A. {0} B. {35} C. {-35} D. {1}
Mathematics
Write the augmented matrix for the system. 5x + 6y + 8z = 92 4x + 4y + 6z = 66 6x - 2y + 9z = 35
A.
B.
C.
D.
Mathematics