Write an equation for the piecewise function.

A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 


Answer: B

Mathematics

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Solve the problem.Evaluate  at t = 3 for the function w(x, y, z) = exyz2; x = t, y = t, z = .

A. 0
B.
C. e
D. e

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Factor the polynomial completely.-2x2 - 10x - 12

A. prime B. -(2x + 3)(x + 4) C. -(2x + 4)(x + 3) D. -(2x - 4)(x - 3)

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Graph the function with a graphing utility.y = 

A.

B.

C.

D.

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Solve the problem.Larry makes $22 per hour for a 40-hour week and time an a half for every hour over 40 hours. Use a linear model to determine how many overtime hours Larry worked if he made $1243 last week.

A. 16.5 hr B. 56.5 hr C. 51 hr D. 11 hr

Mathematics