Find the vertices and foci of the ellipse.
+ 
= 1
A. Vertices: (0, ±5); Foci: (0, ±3)
B. Vertices: (±5, 0); Foci: (±4, 0)
C. Vertices: (±5, 0); Foci: (±3, 0)
D. Vertices: (0, ±5); Foci: (0, ±4)
Answer: B
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Solve using the substitution method. Use a graphing calculator to check your answer. 2x + 2y = 97x + 7y = 14
A. (6, 7) B. (1, 1) C. No solution D. Infinitely many solutions
Solve the problem.A cup of coffee with temperature 105°F is placed in a freezer with temperature 0°F. After 6 minutes, the temperature of the coffee is 65°F. What will its temperature be 14 minutes after it is placed in the freezer? Round your answer to the nearest degree.
A. 27°F B. 32°F C. 34°F D. 29°F
Find the power function that the graph of f resembles for large values of |x|.f(x) = -x2(x + 9)3(x2 - 1)
A. y = -x7 B. y = x7 C. y = x3 D. y = x2
Rewrite with rational exponents.
A. -171/7
B. 71/17
C. 
D. 171/7