Solve the problem.A farmer has 800 yards of fencing to enclose a rectangular garden. Express the area A of the rectangle as a function of the width x of the rectangle. What is the domain of A?
A. A(x) = -x2 + 400x; {x|0 < x < 400}
B. A(x) = x2 + 400x; {x|0 < x < 400}
C. A(x) = -x2 + 800x; {x|0 < x < 800}
D. A(x) = -x2 + 400x; {x|0 < x < 800}
Answer: A
Mathematics
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Expand the number to its natural form.6.09 × 108
A. 6,090,000,000 B. 609,000,000 C. 6,090,000 D. 60,900,000
Mathematics
Identify the numbers from the given list that belong to the indicated set. 3, 
, -17, 0, 
, - 
, 3.6, 
, 0.
Natural numbers
A. 3, 0, 
B. 3, 
C. -17, 0, 3
D. 3, 0
Mathematics
Graph the linear inequality in two variables.2x + 5y ? -10
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation. Write your result in scientific notation.(6.8 × 105)(3.2 x 106)
A. 2.176 × 1012 B. 2.176 × 1030 C. 2.2 × 10-12 D. 2.176 × 105
Mathematics