Solve the following system by any appropriate method. If there is no real number solution, so state.xy = 2x + y = 3
A. (2, -1), (1, -2)
B. (-2, -1), (-1, -2)
C. (2, 1), (1, 2)
D. (-2, 1), (-1, 2)
Answer: C
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Solve. Write a mixed numeral for the answer.At a track and field event, an athlete recorded the following heights at the high jump: 84
in., 83
in., 83
in., and 85 in. Find the average of the four jumps.
A. 84
in.
B. 84 in.
C. 84
in.
D. 84
in.
Solve the problem. Write ratios in simplest form.Find the unit price for each option. Which is the better buy? 20-ounce bottle of pop for $1.60 40-ounce bottle of pop for $2.80
A. 20-ounce bottle: $0.92 per ounce; 40-ounce bottle: $1.07 per ounce. The 20-ounce is the better buy. B. 20-ounce bottle: $0.08 per ounce; 40-ounce bottle: $0.07 per ounce. The 40-ounce is the better buy. C. 20-ounce bottle: $0.07 per ounce; 40-ounce bottle: $0.08 per ounce. The 20-ounce is the better buy. D. 20-ounce bottle: $0.20 per ounce; 40-ounce bottle: $0.07 per ounce. The 40-ounce is the better buy.
Divide the monomials.
A. 5x5 B. 5x6 C. x5 D. x6
Find the x-value of all points where the function has relative extrema. Find the value(s) of any relative extrema.f(x)= (ln x)2, x > 0
A. (-1, 0), relative minimum B. (-1, -1) relative maximum C. (1, 0), relative minimum D. (1, -1), relative maximum