Determine whether the equation defines y as a function of x. x2 + 3y2 = 1
A. function
B. not a function
Answer: B
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Determine the number of significant digits in the given approximate number.0.070080
A. 2 B. 3 C. 6 D. 5
Find the indicated quantities for the appropriate geometric sequence.Suppose Janet could save $3 at the end of January, $6 at the end of February, $12 at the end of March, and so on. What amount would she have saved by the end of one year?
A. $4095.00 B. $189.00 C. $6142.50 D. $12,285.00
Find an equation for the hyperbola described.center at (2, 3); focus at (-3, 3); vertex at (1, 3)
A. (x - 3)2 - 
= 1
B. 
- (y - 3)2 = 1
C. 
- (y - 2)2 = 1
D. (x - 2)2 - 
= 1
Solve the problem.A musician plans to perform 5 selections for a concert. If he can choose from 7 different selections, how many ways can he arrange his program?
A. 35 B. 21 C. 16,807 D. 2520