Solve.
+ 
+ 
= 7
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y) = 6x - 4y2 - 5
A. 
= 1; 
= -8y - 5
B. 
= -8y; 
= 6
C. 
= 6x; 
= -8y
D. 
= 6; 
= -8y
Mathematics
Use FOIL to find the product.(4x + 6)(x - 9)
A. x2 - 30x - 31 B. 4x2 - 31x - 54 C. x2 - 54x - 30 D. 4x2 - 30x - 54
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Solve the problem.The perimeter of the triangle is 180 cm. Find the measure of each side of the triangle.
A. 51 cm, 15 cm, 24 cm B. 70 cm, 70 cm, 14 cm C. 39 cm, 105 cm, 24 cm D. 51 cm, 105 cm, 24 cm
Mathematics
Solve the problem.How long will it take for prices in the economy to double at a 4% annual inflation rate? Round to the nearest hundredth when necessary.
A. 14.21 yr B. 28.01 yr C. 17.67 yr D. 23.45 yr
Mathematics