Replace the Cartesian equation with an equivalent polar equation.x2 + y2 - 4x = 0
A. r sin2? = 4 cos ?
B. r = 4 sin ?
C. r cos2? = 4 sin ?
D. r = 4 cos ?
Answer: D
Mathematics
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The graphs of the first and second derivatives of a function y = f(x) are given. Select a possible graph of f that passes through the point P. (NOTE: Vertical scales may vary from graph to graph.)f'f''
?
A. 
B. 
C. 
D. 
Mathematics
Integrate the function.
dt
A. - 
5+ C
B. - 
5+ C
C. - 
D. - 
5+ sec-1
+ C
Mathematics
Solve the problem.How many different three-number "combinations" are possible on a combination lock having 25 numbers on its dial without repeating a number?
A. 13,800 B. 26,400 C. 13,200 D. 6900
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.7 ? 5t - 3 ? 22
A. [2, 5]
B. [-5, -2]
C. (-5, -2)
D. (2, 5)
Mathematics