Find the center and radius of the circle whose equation is given. Graph the circle. (x - 1)2 + (y - 1)2 = 16
A. center: (1, 1); radius: 16
B. center: (1, 1); radius: 4
C. center: (- 1, - 1); radius: 16
D. center: (- 1, - 1); radius: 4
Answer: B
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Find the opposite of the expression.-2y - 9
A. -2y + 9 B. 2y - 9 C. -2y - 9 D. 2y + 9
Use the change of base formula and a calculator to approximate the logarithmic expression. Round your answer to four decimal places.log52
A. 2.3219 B. -0.3979 C. 0.4307 D. 1.0000
Find the solution(s) (if any) of the system of equations by the graphical method. If the equations are dependent, write your answer with x being arbitrary.
A. {(0, 10)} B. {(x, 10 - 3x)} C. inconsistent D. {(5, -5)}
Differentiate.f(x) = (3x5 - 5x4 + 3)309
A. f'(x) = 309(3x5 - 5x4 + 3)308(15x4 - 20x3) B. f'(x) = 309(3x5 - 5x4 + 3)308(5x4 - 4x3) C. f'(x) = 309(15x4 - 20x3)308 D. f'(x) = 309(3x5 - 5x4 + 3)308