Perform the requested operation on the given function.f(x) = 2x - 6, g(x) = 4x - 7Find (f - g)(x).
A. 6x - 13
B. -2x + 1
C. -2x - 13
D. 2x - 1
Answer: B
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Find the mode.20, 40, 46, 40, 49, 40, 49
A. The mode is 40. B. The mode is 40.6. C. The mode is 49. D. The mode is 46.
The parametric equations of four curves are given. Graph each of them, indicating the orientation.C1: x = 7 sin t, y = 7 - 7 cos2 t; 
? t ? 
C2: x = ln t, y = ln t2; e-4 ? t ? e3C3: x = t2 - 8, y = t - 3; -4 ? t ? 4C4: x = t - 5, y = t + 2; -4 ? t ? 7
What will be an ideal response?
Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.56 ? 5-7
A. -5
B. 1.220703125e+09
C. - 
D. 
Factor by grouping.20x10 + 16x5y5 + 15x5y5 + 12y10
A. (4x5 + 3y)(5x5 + 4y10) B. (4x5 - 3y5)(5x5 - 4y5) C. (4x5 + 3y5)(5x5 + 4y5) D. (20x5 + 3y5)(x5 + 4y5)