Find absolute maximum and minimum values of the function, if they exist, over the indicated interval. Where no interval is specified, use the real line. List your answers in terms of ordered pairs.
f (x) = ?x2 + 3.6x +12
Maximum= 15.24 at x = 1.8
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Simplify. Combine like terms if possible.-m2 + 5m2
A. -5m4 B. -4m2 C. 6m2 D. 4m2
Determine the coordinates of the points shown. Tell in which quadrant the point lies. Assume the coordinates are integers. 
A. (1, 6); quadrant I B. (1, 3); quadrant I C. (1, 3); quadrant II D. (1, 6); quadrant II
State the domain of the rational function.f(x) = 
A. (-?, 8) ? (8, ?) B. (-?, -8) ? (-8, 0) ? (0, ?) C. (-?, -8) ? (-8, ?) D. (-?, 9) ? (9, ?)
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total cost function is given by 
, where x represents the number of boxes of computer chips produced. The total profit function, P(x), is such that 
. Find P(x).
A. P(x) = 0.3x2 + 54x - 32 B. P(x) = -0.3x2 + 54x - 16 C. P(x) = -0.3x2 + 50x + 16 D. P(x) = 0.3x2 + 50x - 48