Simplify by writing with positive exponents. Evaluate if necessary. Assume that all variables represent nonzero real numbers.
A. 6t-4
B. 
C. 
D. 6t2
Answer: C
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Assume that f is an even function, g is an odd function, and both f and g are defined on the entire real line. State whether the combination of functions (where defined) is even or odd.g ? f
A. Even B. Odd
Provide an appropriate response.In solving a system of three equations in three variables, the final step yields the following equation: 
How many solutions does this system have? Explain geometrically.
What will be an ideal response?
Solve the problem.The side of a square equals the length of a rectangle. The width of the rectangle is 4 meters longer than its length. The sum of the areas of the square and the rectangle is 240 square centimeters. Find the side of the square.
A. 12 cm B. 10 cm C. 100 cm D. 2 cm
Find the Taylor polynomial of order 3 generated by f at a.f(x) = x2 + x + 1, a = 9
A. 1 + 3(x - 9) + 3(x - 9)2 + (x - 9)3 B. 91 + 19(x - 9) + (x - 9)2 C. 91 + 19(x - 9) + 19(x - 9)2 + 91(x - 9)3 D. 10 + 19(x - 9) + 28(x - 9)2