Use the graph to determine the function's domain and range. Write the domain and range in interval notation.
A. domain: (-?, ?)
range: y = -3
B. domain: (-?, ?)
range: (-?, ?)
C. domain: x = - 
range: (-?, ?)
D. domain: x = - 
range: y = -3
Answer: B
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Find the length of the curve.The circle r = 9 sin ?
A. 
?
B. 18?
C. 81?
D. 9?
Provide an appropriate response.An approximation of one root of 
- 2x3 + 5 is x1 = 1.5. Apply Newton's method twice to find an approximation to the root of the polynomial.
Fill in the blank(s) with the appropriate word(s).
Solve.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 6 feet. Find the length of the ladder if the length is 2 feet more than its distance from the wall.
A. 6 feet B. 12 feet C. 10 feet D. 8 feet
Use two equations in two variables to solve the following problem.Two pairs of shoes and four pairs of socks cost $107, and three pairs of shoes and five pairs of socks cost $156. Find the cost of a pair of socks.
A. $6.50 B. $5.50 C. $6.00 D. $4.50 E. $4.00