Solve the equation. If the equation is an identity or a contradiction, state this.16x + 9(x + 1) = 25(x + 1) - 16
A. {1}
B. ? or { }; contradiction
C. {0}
D. all real numbers; identity
Answer: D
Mathematics
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Solve the equation using the zero product property.x(5x + 20) = 0
A. {0, -4}
B. 
C. 
D. {0, 4}
Mathematics
Calculate the circulation of the field F around the closed curve C.F = y3i + x2j; curve C is the counterclockwise path around the triangle with vertices at 
(2, 0), and (0, 1)
A. 0
B. - 
C. 
D. 
Mathematics
Let f(x) = 8x2 - 5x and g(x) = 7x + 9. Find the composite.f[g(-4)]
A. 765 B. 37 C. 148 D. 2983
Mathematics
Change the fraction to a decimal. Round as indicated.
ten thousandths
A. 1.7500 B. 8.7500 C. 0.8750 D. 0.3500
Mathematics