Graph the polynomial function. Factor first if the expression is not in factored form.f(x) = x3 + 4x2 - x - 4
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.An express train and a local train leave a station at the same time (on separate tracks) and head for a town 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train.
A. Express: 100 mph; local: 50 mph B. Express: 25 mph; local: 12.5 mph C. Express: 50 mph; local: 25 mph D. Express: 60 mph; local: 30 mph
Decide if the number is rational or irrational.0.36233624...
A. Irrational B. Rational
Perform the operation.Multiply 18 by 52
A. 1036 B. 946 C. 926 D. 936
Solve the problem.A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 344 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed?
A. 22,188 ft2 B. 29,584 ft2 C. 7396 ft2 D. 14,792 ft2