Solve the equation.21 - 7x = -4x
A. 63
B. -7
C. 7
D. -63
Answer: C
Mathematics
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Find the slope of the polar curve at the indicated point.r = 
, ? = 4?
A. 0 B. Undefined C. -4? D. 4?
Mathematics
Evaluate the integral.
A. 
sin 3x - 
sin 7x + C
B. 
sin5x + 
sin 2x + C
C. 
sin 3x + 
sin 7x + C
D. 
cos 3x + 
cos 7x + C
Mathematics
Use scientific notation to solve the problem.A computer can do one calculation in 1.4 x 10-7seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 x 106 sec B. 1.4 x 1012 sec C. 1.4 x 10-7 sec D. 1.4 x 105 sec
Mathematics
Determine if the given integer value for the variable is a solution to the equation.6k + 6 = 2k + 34; 7
A. Yes B. No
Mathematics