Construct a frequency table for the given data.The following is the number of hours students worked per week at after-school jobs. Use five intervals, starting with 0 - 4.3 8 13 16 23 21 17 11 5 2 9 12 19 22 19 13 4 10 14 20
A. 
B. 
C. 
D. 
Answer: A
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Find the indicated derivative.Find y " if y = 5x sin x.
A. y " = 10 cos x - 5x sin x B. y " = - 10 cos x + 5x sin x C. y " = 5 cos x - 10x sin x D. y " = - 5x sin x
Use Pascal's triangle to expand the binomial.(4x - 3y)3
A. 16x3y - 24x2y2 + 9xy3 B. 16x3y - 12x2y2 + 9xy3 C. 64x3 - 144x2y + 108xy2 - 27y3 D. 64x3 - 48x2y + 36xy2 - 27y3
Solve the problem.In 1995 the United States recovered 20% of its municipal solid wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits this data.
A. P(t) = 0.6t + 17 B. P(t) = 0.3t - 17 C. P(t) = 0.6t + 24 D. P(t) = -0.6t + 7
Find the slope-intercept form of the line satisfying the given conditions.Slope 9; y-intercept - 
A. y = 9x + 
B. y = - 
x + 9
C. y = - 
x - 9
D. y = 9x - 