Solve the problem.Bob wants to fence in a rectangular garden in his yard. He has 82 feet of fencing to work with and wants to use it all. If the garden is to be x feet wide, express the area of the garden as a function of x.
A. A(x) = 41x - x2
B. A(x) = 43x2 - x
C. A(x) = 40x - x2
D. A(x) = 42x - x2
Answer: A
Mathematics
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Solve the problem.Consider the sequence AN defined by A1 = 5, A2= 5, AN = AN-1 + AN-2. As the values of N get large, the ratios AN+1/AN approach
A. ?. B. 25?. C. ? + 5. D. 5?. E. none of these
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. x2 B. -16 C. 2x D. 16
Mathematics
Factor completely. If the polynomial is prime, state so.49x2 - 56xy + 16y2
A. (49x + y)(x + 16y) B. (7x + 4y)2 C. (7x - 4y)(7x + 4y) D. (7x - 4y)2
Mathematics
Factor out the greatest common factor.15wx - 25wy - 20wz
A. 5w(3x - 25wy - 20wz) B. 5(3wx - 5wy - 4wz) C. 15w(x - 25y - 20z) D. 5w(3x - 5y - 4z)
Mathematics