Find the domain and range of the function graphed.
A. domain: (-?, ?); range: (-?, 5) ? (5 ?)
B. domain: {5}; range: (-?, ?)
C. domain: (-?, ?); range: (-?, ?)
D. domain: (-?, 5) ? (5, ?); range: (-?, ?)
Answer: B
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Graph the cycloid for t in the indicated interval.x = t - sin t, y = 1 - cos t, -4? ? t ? 4?
A. 
B. 
C. 
D. 
Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of two squares of two numbers is 20, and the difference of their squares is 12. Find the numbers.
A. 4 and 2; -4 and -2 B. 4 and 2; -4 and 2; 4 and -2; -4 and -2 C. 4 and 2; -4 and 2; 4 and -2 D. 4 and 2
Find the exact value of the expression or state that it does not exist.cos-1
A. 
B. 
C. 
D. 
Convert the equation to the standard form for a hyperbola by completing the square on x and y.9x2 - 4y2 + 18x + 16y - 43 = 0
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1