Solve by extracting square roots.x2 + 216 = 0
A. {± 
i}
B. {± 6
i}
C. {± 6
}
D. {± 12
i}
Answer: B
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Solve.A 59-kg skateboarder on a 2-kg board starts coasting on level ground at 
. Let k = 3.2 kg/sec. About how far will the skater coast before reaching a complete stop?
A. 147.50 m B. 1510.40 m C. 76.25 m D. 94.40 m
Given that the x- and y-coordinates of a moving particle are given by the indicated parametric equations, find the magnitude and direction of the acceleration for the specific value of t.x = 
, y = 
, t = 8
A. 0.01; 242.8° B. 0.01; 62.8° C. 0.04; 62.8° D. 0.04; 242.8°
Determine whether the statement is true or false.
?
What will be an ideal response?
Find the slope then describe what it means in the given situation.The linear function f(x) = -5.9x + 22 models the percentage of people, f(x), who eat at fast food restaurants x years after 2017.
A. m = 5.9; the percentage of people eating at fast food restaurants has increased at a rate of 5.9% per year after 2017. B. m = 22; the percentage of people eating at fast food restaurants has increased at a rate of 22% per year after 2017. C. m = -5.9; the percentage of people eating at fast food restaurants has decreased at a rate of 5.9% since 2017. D. m = -5.9; the percentage of people eating at fast food restaurants has decreased at a rate of -5.9% per year after 2017.