Find the center and the radius of the circle.x2 + y2 + 9x + 7y + 10 = 0
A. 
, r = 
B. 
, r = 
, 
C. 
, r = 
D. 
, r = 
Answer: A
Mathematics
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Determine whether the given functions are inverses of each other.f(x) = 
, x ? 0, g(x) = x2, x ? 0
A. Yes B. No
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.6x2 + 17xt + 12t2
A. (2x - 3t)(3x - 4t) B. prime C. (6x + 3t)(x + 4t) D. (2x + 3t)(3x + 4t)
Mathematics
Solve the radical equation.
= 8
A. {65} B. {64} C. {63} D. {81}
Mathematics
Solve the problem.The future value of $7000 invested for 5 years at rate r, compounded annually, is given by 
Find the rate r, as a percent, that gives a future value of $9817.86. Round to the nearest whole percent.
A. 7% B. 10% C. 8% D. 6%
Mathematics