Simplify by combining like terms.-3x - 2y - 7x - 6y
A. -18xy
B. -8x - 10y
C. -10x - 8y
D. -10x + 8y
Answer: C
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Find the function with the given derivative whose graph passes through the point P.r'(?) = 4 + sec2 ?, P(?, 0)
A. r(?) = 4? + 
sec3 ?
B. r(?) = 4? + tan ? - 4?
C. r'(?) = 2?2 + tan ? + 4?
D. r(?) = 2?2 + tan ? - 4?
Solve the system by graphing. Check the coordinates of the intersection point in both equations.y = x - 4y = 3x - 6
A. {(0, 3)} B. {(1, -3)} C. {(-1, -5)} D. {(0, -3)}
Solve the problem.A circle of radius r is inscribed in a square with sides 2r as shown in the figure. Express the shaded area in terms of r and ? as a completely factored polynomial.
A. 
(4 - r)
B. 
(2 + ?)(2 - ?)
C. 
(2-?)2
D. 
(4 - ?)
Evaluate the logarithm, if possible. Round the answer to four decimal places.ln 5,500,000
A. 4.0073 B. 6.7404 C. 0.0642 D. 15.5203