Find the equation of the line satisfying the conditions given. Express the answer in standard form.Through (-3, 9), perpendicular to 2x + 3y = 21
A. 3x - 2y = -27
B. 2x - 3y = -27
C. 3x + 2y = -27
D. 3x - 2y = 1
Answer: A
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y, z) = ln (xy)z
A. 
= 
; 
= 
; 
= z ln (xy)z-1
B. 
= 
; 
= 
; 
= ln (xy)
C. 
= z ln 
; 
= zln
; 
= ln (xy)
D. 
= - 
; 
= - 
; 
= ln (xy)
Mathematics
Determine whether the given point is on the graph of the equation.Equation: y = x3 - 
Point: (9, 726)
A. No B. Yes
Mathematics
Replace the ? with the correct symbol >, <, =.
A. < B. = C. >
Mathematics
Solve the problem.Suppose an equation of the form sin x - b = 0 has the solution 
in the interval 
. Find an expression for all solutions to the equation in the interval 
A. {a, ? + a} B. {a, ? - a} C. {a, 2? + a} D. {a, 2? - a}
Mathematics