The function h(t) = -4.9t ^2 + 19t + 1.5 describes the height in meters of a basketball seconds after it has been thrown vertically into the airWhat is the maximum height of the basketball ? Round your answer to the nearest tenth

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

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