Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 9 cos ?
A. 27?
B. 
?
C. 
?
D. 81?
Answer: B
Mathematics
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Factor completely. If the polynomial is prime, so state.21x3 - 78x2 + 45x
A. 3x(x + 3)(7x + 5) B. x(3x - 3)(7x - 5) C. 3x(x - 3)(7x - 5) D. prime
Mathematics
Find an equation in slope-intercept form (where possible) for the line.Through (-2, 6), m = 0
A. x = -2
B. y = 6
C. y = 3x
D. y = 
x
Mathematics
Graph the polar equation.r cos ? = 4
A. 
B. 
C. 
D. 
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
A. 1.64 B. -1.64 C. 3.27 D. 1.81
Mathematics