Evaluate the function.If r(x) = 
, find r(-5).
A. 0
B. 
C. 5
D. - 
Answer: D
Mathematics
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Solve the problem.Four times a number, added to 5, is 9. Find the number.
A. 1 B. 4 C. 16 D. -1
Mathematics
Solve the absolute value equation.
= |-4|
A. 
B. 
C. 
D. ?
Mathematics
Solve the problem.A certain noise measures 109 decibels in loudness. If the intensity is multiplied by 100, how many decibels will the new noise measure?
A. 111 dB B. 129 dB C. 218 dB D. 10,900 dB
Mathematics
A farmer has 264 feet of fencing and wants to build two identical pens for his prize-winning pigs. The pens will be arranged as shown. Determine the dimensions of a pen that will maximize its area.
Mathematics