Dive into the world of knowledge and get your queries resolved at IDNLearn.com. Join our community to access reliable and comprehensive responses to your questions from experienced professionals.
I need help with math fast (well explained) worth 18 points!!!!!!!!!!
1: a ball is arremesada in the air and its height above the ground in time X (in seconds) is given by the function F (x) = x² - 5x. Determine how long the ball hit the ground again.
2: A banking application yields a day x Mesum value in real given by the function f (x) = x² - 4x - 5. Determine the days when there is no income that application.
1. so just subsitute numbers if we subsitute 5 for x then we get 0 if it's height is 6 then the time will be 16
2. so you want to factor the equation and get f(x)=x^2-4x-5=(x-5)(x+1) then set this equation = to 0 so (x-5)(x+1)=0 x-5 or x+1 must equal 0 so x-5=0 x=5 x+1=0 x=-1 discard this because you cannot yield a negative ammount
so when the bank yields 5 in a day, the income is 0
We are delighted to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. Trust IDNLearn.com for all your queries. We appreciate your visit and hope to assist you again soon.
