Find the maximum and minimum values of the objective function f subject to the stated constraints.f = 4x + 5y, subject to2x - 4y ? 10,2x + y ? 15,0 ? x ? 9,0 ? y ? 5.
A. Maximum: 46; Minimum: 33
B. Maximum: 75; Minimum: 20
C. Maximum: 75; Minimum: 0
D. Maximum: 61; Minimum: 33
Answer: D
Mathematics
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A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5
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The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r sin ? = 10
A. x = 10 B. y = 10 C. x = 10y D. y = 10x
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Simplify.Evaluate. 5-4
A. -625
B. 
C. 625
D. 
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Divide. Write the answer in simplest form.
÷ 1
A. 
B. 1
C. 
D. 
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