Use the quadratic formula to solve the equation. Simplify any radicals.x2 + 6x + 7 = 0
A. {
± 3}
B. {-3 ± 
}
C. {3 ± 
}
D. {-1}
Answer: B
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Translate the phrase into a mathematical expression and then find the result.355 gallons less than 1027 gallons
A. 1027 - 355; 662 gallons B. 1027 + 355; 1382 gallons C. 1027 - 355; 672 gallons D. 355 + 1027; 1282 gallons
Solve the problem.Researchers have found that the maximum number of successful trials that a laboratory rat can complete in a week is given by P(t) = 60(1 - e-0.3t),where t is the number of weeks the rat has been trained. Find the rate of change P'(t).
A. P'(t) = -18e-0.3t B. P'(t) = 18e-0.3t C. P'(t) = 60(1 + 0.3e-0.3t) D. P'(t) = 60e-0.3t
Select the graph for following equation.
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A. ?
B. ?
C. ?
D. ?
E. ?
Find the indicated term.Find the 14th term of the arithmetic sequence 
A. -$1852.37 B. $1582.96 C. $5287.70 D. $1440.47