The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 3, x = 8
A. r = 
B. r = 
C. r = 
D. r = 
Answer: D
Mathematics
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Solve the problem.Sumi Kato's savings account has a balance of $624. After 14 years what will the amount of interest be at 1.5% compounded annually?
A. $150.62 B. $144.62 C. $873.60 D. $133.62
Mathematics
For the pair of functions, perform the indicated operation.f(x) = 2x - 2, g(x) = 5x - 8
Find (f - g)(x).
A. -3x - 10 B. 7x - 10 C. -3x + 6 D. 3x - 6
Mathematics
Simplify the expression by combining like terms.7b - 5b + 2
A. 12b + 2 B. -2b + 2 C. 2b + 2 D. 4b
Mathematics
Graph the function.f(x) = log x 
A. 
B. 
C. 
D. 
Mathematics