Graph the function and give its domain and range.f(x) = 
A. [-4, ?); [0, ?)
B. [4, ?); [0, ?)
C. [0, ?); [-4, ?)
D. [0, ?); [4, ?)
Answer: B
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Find a value of a so that f is continuous at c, or indicate this is impossible.Let f(x) = (sin x)x, x ?0. Extend the definition of f to x = 0 so that the extended function is continuous there.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Find the simple interest for the period indicated. Then use table values to find the compound interest. Finally, find the difference between compound interest and simple interest. Round to the nearest cent. (Interest is compounded annually.)
Principal: $1462 Rate: 6% Years: 13
A. $427.19 B. $837.62 C. $515.98 D. $1977.98
Solve the problem.An automotive glass plant must be able to fill orders for 230 truck windshields, 350 auto windshields, and 310 RV windshields. Because the first shift crews are more experienced, they are each able to make 7 truck windshields, 12 auto windshields, and 9 RV windshields. The second shift crews are able to produce 4 truck windshields, 12 auto windshields, and 7 RV windshields. The more experienced first shift crews cost the company $360.00 per crew per shift and the second shift crews each cost $310.00 per shift. The company's facilities will handle at most 50 crews on each shift, and they must have at least 10 crews come in to keep the plant running. How many first shift and how many second shift crews should they schedule to minimize costs?
A. 51 first shift crews and 17 second shift crews B. 43 first shift crews and 24 second shift crews C. 28 first shift crews and 10 second shift crews D. 37 first shift crews and 36 second shift crews
Solve the formula for the given variable.V = 
for h
A. h = 
B. h = 
C. h = 
D. h = 