Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = x7 sin x
A. 7 sin x ln x
B. 7 cos x ln x + 
C. x sin x
D. 7 x7 sin x
Answer: D
Mathematics
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Provide an appropriate response.This is allowed for the taxpayer, the taxpayer's spouse, and each dependent, to arrive at taxable income.
A. exemption B. exclusion C. deduction D. adjustment
Mathematics
Write four additional terms of the geometric sequence.6, 18, 54, . . .
A. 162, 486, 1458, 4374 B. 108, 216, 432, 864 C. 162, 486, 1468, 4399 D. 216, 864, 3456, 13,824
Mathematics
If a triangle has vertices of 
and 
then the area of the triangle is given by 
Find the area of the triangle with vertices at the given points.(1, -3) (1, 1) (4, 3)
A. 6 B. 2.5 C. 12 D. 5
Mathematics
Write the phrase as an algebraic expression. Let x represent the unknown number.Six more than a number
A. x - 6
B. 6x
C. 
D. x + 6
Mathematics