The number of blocks has 9 in the ones place the number of the hundreds place is one more than the number in the tens place these two numbers equal 11 how many blocks are there

If an x intercept only touches the x axis it means it has a multiplicity of 2. if an intercept goes through the axis it has a multiplicity of 1 true false

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

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