Solve the equation.|x2 - 4x - 4| = 8
A. {-2, 2, -6}
B. {-2, 2}
C. {2, 6}
D. {-2, 2, 6}
Answer: D
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Graph the function on a grapher. Then use the grapher to find the x- and y-intercepts. Round to the nearest hundredth if necessary.f(x) = 0.91x2 - 3.62x + 16.89
A. No x-intercepts, (0, 16.89) B. (6.73, 0), (0, 16.89) C. (16.89, 0), no y-intercepts D. (6.73, 0), (-2.76, 0), (0, 16.89)
Factor out the GCF from the polynomial.15m9 + 18m5 - 30m2
A. m2(15m7 + 18m3 - 30) B. 3m2(5m7 + 6m3 - 10) C. 3(5m9 + 6m5 - 10m2) D. -3m2(5m7 - 6m3 + 10)
Find the median.Number of calls in queue: 41, 25, 8, 3, 24, 23, 29, 32, 40, 38
A. 24 B. 26.5 C. 26 D. 29
Solve the problem.Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is P = P0 e-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.
A. 4.50 years B. 450.25 years C. 45.03 years. D. 40.50 years