Perform the requested operation on the given function.f(x) = 2x - 6, g(x) = 9x - 3Find (g - f)(x).
A. 7x + 3
B. -7x - 9
C. 7x - 9
D. -7x - 3
Answer: A
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Factor the expression completely. If the polynomial is prime, state this as your answer.2x8 - 2
A. 2(x4 + 1)(x2 + 1)(x + 1)(x - 1) B. (2x4 + 1)(x2 + 1)(x + 1)(x - 1) C. 2(x4 + 1)(x2 + 1)(x2 - 1) D. 2(x4 + 1)(x4 - 1)
Solve the problem.A square yard has a 4-foot wide sidewalk around a square lawn. The sides of the yard, including the sidewalk, have length y. Evaluate for y = 60, the polynomial that gives the area of the sidewalk.
A. 1024 B. 544 C. 896 D. 464
Solve.Fred ate 32 pies in the pie eating contest at the State Fair. At the County Fair he ate 35 pies in the contest. How many more pies did he eat at the County Fair than at the State Fair?
A. 67 pies B. 3 pies C. 35 pies D. 5 pies
Write an equivalent expression using a commutative or associative law, as indicated.(4x + 7y) + 7z; associative
A. 4x + 7y + 7z B. 4x + (7y + 7z) C. (7y + 4x) + 7z D. (4x + 7y + 7z)