Solve the problem.A certain area of forest is populated by two species of animals, which scientists refer to as A and B for simplicity. The forest supplies two kinds of food, referred to as F1 and F2. For one year, species A requires 1.3 units of F1 and 1 units of F2. Species B requires 2.2 units of F1 and 1.7 units of F2. The forest can normally supply at most 982 units of F1 and 473 units of F2 per year. What is the maximum total number of these animals that the forest can support?
A. 1119 animals
B. 363 animals
C. 473 animals
D. 205 animals
Answer: C
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Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $5 per foot for two opposite sides, and $2 per foot for the other two sides. Find the dimensions of the field of area 790 ft2 that would be the cheapest to enclose.
A. 17.8 ft @ $5 by 44.4 ft @ $2 B. 44.4 ft @ $5 by 17.8 ft @ $2 C. 11.2 ft @ $5 by 70.3 ft @ $2 D. 70.3 ft @ $5 by 11.2 ft @ $2
Express the number in decimal notation.4.14 × 10-4
A. 0.0000414 B. -414,000 C. 0.000414 D. 0.00414
Let A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. Find the indicated set.A ? B
A. {q, s, y} B. {q, s, u, w, y, z} C. {q, s, y, z} D. {q, s, u, y, z}
Factor the sum or difference of two cubes.8 - x3
A. (2 + x)(4 - x2) B. (2 - x)(4 + x2) C. (2 + x)(4 - 2x + x2) D. (2 - x)(4 + 2x + x2)