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 1.4 units of F1 and 0.95 units of F2. Species B requires 2.0 units of F1 and 1.7 units of F2. The forest can normally supply at most 939 units of F1 and 484 units of F2 per year. What is the maximum total number of these animals that the forest can support?
A. 205 animals
B. 1016 animals
C. 345 animals
D. 509 animals
Answer: D
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Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number.124 more than a number
A. 124x B. 124 C. 124 - x D. 124 + x
Evaluate using any method.
Use the discriminant to determine the number of solutions of the quadratic equation.w2 - 5w + 8 = 0
A. no real solution B. 1 real solution C. 2 real solutions
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: {x|-5 ? x ? 5} range: {y|-5 ? y ? 5} intercepts: (-5, 0), (0, -5), (0, 0), (0, 5), (5, 0) symmetry: origin B. function domain: {x|-5 ? x ? 5} range: {y|-5 ? y ? 5} intercepts: (-5, 0), (0, -5), (0, 5), (5, 0) symmetry: x-axis, y-axis, origin C. function domain: {x|-5 ? x ? 5} range: {y|-5 ? y ? 5} intercepts: (-5, 0), (0, -5), (0, 5), (5, 0) symmetry: x-axis, y-axis D. not a function