Find an equation of a parabola satisfying the given conditions.Focus at (2, 6), directrix x = -4
A. (x - 2)2 = 12(y - 6)
B. (x - 6)2 = 12(y + 1)
C. (y - 6)2 = 12(x + 1)
D. (y - 6)2 = 12(x - 2)
Answer: C
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Solve.In 1996, an outbreak of a disease infected 11 people in a large community. By 1997, the number of those infected had grown to 35. Find an exponential growth function that fits the data. (Round decimals to three places.)
A. N(t) = 11e1.157t, where t is the number of years after 1997. B. N(t) = 11e11.57t, where t is the number of years after 1996. C. N(t) = 11e11.57t, where t is the number of years after 1997. D. N(t) = 11e1.157t, where t is the number of years after 1996.
Evaluate.63 - (29 - 6)
A. 34 B. 23 C. 28 D. 40
Determine if the infinite geometric series converges or diverges. If the series converges, find its sum.100 + 20 + 4 + 
+ . . .
A. diverges B. converges, - 25 C. converges, 124 D. converges, 125
Solve the equation.x = log10 0.0000001
A. 
B. 
C. 
D. 