Evaluate the integral.
A. 2
+ 3 tan-1 
+ C
B. 2
- 3 ln 
+ C
C. 2
+ 3 ln 
+ C
D. 2
+ C
Answer: C
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Find all the first order partial derivatives for the following function.f(x, y, z) = e(sin (x) + yz)
A. 
= cos(x) e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
B. 
= cos(x)e(sin (x) + yz); 
= e(sin (x) + yz); 
= e(sin (x) + yz)
C. 
= e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
D. 
= 
e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
Simplify the radical.
A. -4 B. 4 C. 16 D. not a real number
Find the center and radius of the circle. x² + y² -4x -8y =-19
(a) center ( -4, 2 ), radius 1 (b) center ( 2, 4 ), radius 1 (c) center ( -2, 3 ), radius 1 (d) center ( -2, -4 ), radius 1 (e) center ( 4, -2 ), radius 1
Provide an appropriate response.Is it true that the product of two binomials (-9x + 5)(-9x + 5) is equal to 
A. True B. False