Find the maximum value of the function and the values of x and y at which the maximum occurs.P = 9x - 9y, subject to 0 ? x ? 5 0 ? y ? 8 4x + 5y ? 30 4x + 3y ? 20
A. Maximum: 0; at (0, 0)
B. Maximum: -33.75; at (1.25, 5)
C. Maximum: 45; at (5, 0)
D. Maximum: -54; at (0, 6)
Answer: C
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Find an equation of the parabola with focus  FIGURE 1.png)
and directrix  Figure 2.png)
What will be an ideal response?
Find the value of the exponential expression.(0.05)3
A. 0.15 B. 0.01666667 C. 0.125 D. 0.000125
Perform the division.(x4 - 81) ÷ (x + 3)
A. x3 - 3x2 + 9x - 27 B. x3 + 3x2 + 9x + 27 C. x2 + 3x + 9 D. x3 + 3x2 - 9x + 27
Use the distance formula d = rt, where d represents distance, r represents the rate, and t represents time.Dana is driving home from college for the holidays. Dana's house is approximately 175 miles from her school. If Dana drives at 70 mph, how long will it take her to make the trip home?
A. 2 hours B. 1 hours 30 minutes C. 2 hours 15 minutes D. 2 hours 30 minutes