Find the center, foci, and vertices of the ellipse.16(x + 1)2 + 9(y - 3)2 = 144
A. center at (3, -1)
foci at (3, -1 - 
), (3, -1 + 
)
vertices at (3, 7), (3, -1)
B. center at (0, 3)
foci at (0, 3 - 
), (0, 3 + 
)
vertices at (0, 7), (0, -1)
C. center at (-1, 3)
foci at (-1, 3 - 
), (-1, 3 + 
)
vertices at (-1, 7), (-1, -1)
D. center at (1, 3)
foci at (1, 3 - 
), (1, 3 + 
)
vertices at (1, 7), (1, -1)
Answer: C
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Perform the indicated matrix operations.Let A = 
and B = 
. Find 3A + 2B.
A. 
B. 
C. 
D. 
Write an inequality statement using the numbers in the problem.Building A is 57 feet tall. Building B is 93 feet tall. Write an inequality statement using < or > comparing the numbers 57 and 93.
A. 57 > 93 B. 57 < 93
Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.
- 
= 
A. 7 B. No solution C. -3 D. 3
Solve.Find the equilibrium point for the given supply and demand functions. Here y represents price and x represents quantity. y = 4180 - 90x (demand) y = 100x (supply)
A. 10, $3280 B. 22, $2200 C. 41, $490 D. 10, $2200