Find the product.(x - 7)(x + 5)
A. x2 - 2x - 35
B. 2x - 35
C. x2 + 2x + 35
D. 2x2 + 35
Answer: A
Mathematics
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Evaluate the integral by using multiple substitutions.
dr
A. 
sin 
+ C
B. 
+ C
C. -sin 
+ C
D. 
sin 
+ C
Mathematics
I = 22 mAPK and f = 200 KHz. Find i when t = 600 æsec.
a. 8.21 mA b. 9.65 mA c. 16.41 mA d. -4.28 mA e. 0 mA
Mathematics
Provide an appropriate response.State the domain of the inverse tangent function.
A. [0, ?]
B. 
C. (-?, ?)
D. [-1, 1]
Mathematics
The 
-coordinate system has been rotated 
degrees from the 
-coordinate system. The
coordinates of a point in the 
-coordinate system are given. Find the coordinates of the point in the rotated coordinate system.
?
, 
?
A. 
B. 
C. 
D. 
E. 
Mathematics