Mathematics, 12.12.2020 16:40 vanessacox45
1. Ms. Ortiz sells tomatoes wholesale. The function p(x) = -80x^2 + 320x - 10, graphed below, indicates how much profit she makes on a load of tomatoes if she sells them for 4 - x dollars per kilogram.
What should Ms. Ortiz charge per kilogram and tomatoes to make the maximum profit, and what is the maximum profit she can make on a load of tomatoes.
A - $230 at $3 per kilogram
B - $310 at $2 per kilogram
C - $320 at $2 per kilogram
D - $320 at $3 per kilogram
2. A football is kicked into the air from an initial height of 3 feet. The height, in feet, of the football above the ground is given by s(t) = - 16t^2 + 35t + 3, where t is the time in seconds and t β₯ 0. Which is the closest to the time when the football will be 20 feet above the ground.
A - 2.72 seconds
B - 0.73 seconds or 1.46 seconds
C - 0.53 seconds
D - 0.53 seconds or 2.72 seconds
3 through 6 are in a picture below.
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1. Ms. Ortiz sells tomatoes wholesale. The function p(x) = -80x^2 + 320x - 10, graphed below, indica...
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