Find the equation of the tangent line to the curve when x has the given value.f(x) = 
; x = 3
A. y = 
+ 1
B. y = -7x + 28
C. y = 
- 
D. y = -7x - 9
Answer: B
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region cut from the first quadrant by the circle x2 + y2 = 25
A. 
= 0, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics
Divide.
A. 2m + 9
B. 2m - 9
C. 2m - 9 + 
D. m - 9
Mathematics
Determine if the given ordered triple is a solution of the system.(-4, 2, 3)x + 4y + 5z = -9 4y + 2z = 0z = -4
A. solution B. not a solution
Mathematics
Write the algebraic expression described.The sum of the angles of a triangle is 180°. If one angle of a triangle measures x° and a second angle measures 
, express the measure of the third angle in terms of x.
A. (201 - 10x)° B. (159 - 10x)° C. (159 + 10x)° D. (159 - 9x)°
Mathematics