Solve.Karen went shopping for holiday presents for her family. She spent $266 on Monday, $214 on Tuesday, and $331 on Wednesday. Find the total amount of money that she spent on gifts.
A. $911
B. $811
C. $701
D. $801
Answer: B
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 3t2 + 2t + 3, 0 ? t ? 2Find the body's displacement and average velocity for the given time interval.
A. 10 m, 14 m/sec B. 22 m, 11 m/sec C. 16 m, 8 m/sec D. 16 m, 16 m/sec
Find the values of x for which the given function is concave up, the values of x for which the function is concave down, and any points of inflection.y = x3 + 12x2 - x - 24
A. Concave down for x < -4, x > 4, concave up for -4 < x < 4, points of inflection at (-4, 108), (4, 108) B. Concave up for x < -4, concave down for x > -4, point of inflection at (-4, 108) C. Concave down for all x, no points of inflection D. Concave down for x < -4, concave up for x > -4, point of inflection at (-4, 108)
Solve the problem.Use the following table to calculate the federal income tax due for the taxable income $18,108. 
A. $2951.30 B. $2716.20 C. $2252.45 D. $1066.63
Solve the problem.At age 50, Ann must choose between taking $18,000 at age 60 if she is alive then, or $30,000 at age 70 if she is alive then. The probability for a person aged 50 living to be 60 and 70 is 0.81 and 0.61, respectively. Using expected value, what is Ann's best option?
A. $30,000 at age 70 B. $18,000 at age 60