Find the center of the ellipse.16x2 + 128x + 25y2 - 250y + 481 = 0
A. (5, -4)
B. (5, -9)
C. (-9, 5)
D. (-4, 5)
Answer: D
Mathematics
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Determine whether the graph is the graph of a function.
A. Function B. Not a function
Mathematics
Multiply.
A. - 
x14
B. - 
x14
C. - 
x9
D. 
x9
Mathematics
Find the area of the shape.
A. 242 yd2 B. 297 yd2 C. 253 yd2 D. 209 yd2
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = (x + 3)2
C. Not one-to-one
D. f-1(x) = x2 - 3, x ? 0
Mathematics