Solve the problem.A wire of length 8x is bent into the shape of a square. Express the area A of the square as a function of x.
A. A(x) = 8x2
B. A(x) = 4x2
C. A(x) = 2x2
D. A(x) = 
x2
Answer: B
Mathematics
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
Mathematics
Express the number in scientific notation.73,000,000
A. 7.3 × 10-8 B. 7.3 × 108 C. 7.3 × 107 D. 7.3 × 10-7
Mathematics
Find a set of parametric equations for the rectangular equation.y = 4x - 3
A. y = 4t; 4x = t + 3
B. x = 
; y = t - 
C. x = t; y = 4t - 3
D. x = t; y = 4t2 - 3
Mathematics
Find the domain of the function. Put your answer in set-builder notation.f(x) = 
A. {x 
B. {x 
C. {x 
D. {x 
Mathematics