Graph the function.A contractor plans to include a window with an area of 20 ft2 in a home she is building. The window must have a width w of at least 4 ft but no more than 
Graph the length l as a function of w.
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.The approximate monthly average temperatures in degrees Fahrenheit in a certain city can be approximated by the function f(x) = -0.005x6 + 0.31x4 - 6.14x2 + 83with domain {x|-6 ? x ? 6}. Here x represents the month with x = 0 corresponding to July. What is the average temperature (rounded to the nearest degree) in January?
A. 30°F B. 35°F C. 40°F D. 45°F
Solve the inequality.
?
?
A. 
B. 
C. 
D. 
E. 
Find the unknown value in the percent proportion 
Round to the nearest tenth, if necessary.whole = 8.9, percent = 45
A. part = 505.6 B. part = 4 C. part = 4.5 D. part = 0.9
Express as a sum, difference, and product of logarithms, without using exponents.logb 
A. m5p3 - n6b8 B. 5logb m + 3logb p - 6logb n + 8 C. 5logb m + 3logb p - 6logb n - 8 D. logb m5 + logb p3 + logb n6 - logb b8