Posted by diana on Monday, September 7, 2009 at 8:47pm.
Let H be the amount of investments for high risk products, and
L be the amount for low-risk products.
"with no more than $15,000 to invest "
H+L≤15000
"at least $2,000 is to be plaaced in the high-risk investment"
H≥2000
"amount invested at low risk should be at least three times the amount invested at high risk"
L≥3H
Draw a graph with H in the x-axis, and L in the y-axis (or vice versa).
Represent the above inequalities on the graph.
Shade the impossible regions. The unshaded region in the resulting graph represents the possible investment options.
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