1 point 8. The graph shows the relationship between the weight of silver and the
total cost. Which of the following is true? *
85
Total Cost ($)
fУ
68
51
17
0
х
0 1 2 3 4 5
Weight (pounds)
The point (4,68) means that $4.00 is the cost for 68 pounds of silver.
The graph does NOT show a proportional relationship.
The point (2,34) means that 2 pounds of silver cost $34.00 per pound.
The point (17.1) shows the constant of proportionality.

For which rational expression is -2 an excluded value of x?

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?