Evaluate.
+ 
? 
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.An approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires is given by p = -x3 + 15x2 - 48x + 450, x ? 3. Find the number of hundred thousands of tires that must be sold to maximize profit.
A. 10 hundred thousand B. 5 hundred thousand C. 3 hundred thousand D. 8 hundred thousand
Provide an appropriate response.A rocket is 32 feet from a satellite when it begins accelerating away from the satellite at a constant rate of 12 feet per second per second. The distance, in feet, between the rocket and the satellite is given by the function 
where t is the number of seconds since the rocket started accelerating. Find and interpret P(4). Distance Between Rocket and Satellite
A. 96; after 4 seconds, the distance between the rocket and the satellite is 96 feet. B. 56; after 56 seconds, the distance between the rocket and the satellite is 4 feet. C. 48; after 48 seconds, the distance between the rocket and the satellite is 4 feet. D. 128; after 4 seconds, the distance between the rocket and the satellite is 128 feet.
Use the given information to find the exact value of the expression.tan ? = 
, ? lies in quadrant III, and cos ? = - 
, ? lies in quadrant II
Find sin (? + ?).
A. - 
B. 
C. 
D. 
Find an equation of the circle satisfying the given conditions.Center at (0, -1), radius 6
A. x2 + (y - 1)2 = 6 B. (x - 1)2 + y2 = 36 C. x2 + (y + 1)2 = 36 D. (x + 1)2 + y2 = 36