Which function has real zeros at x = 3 and x =
7

x^2-10x+21

Step-by-step explanation:

(x-3)(x-7)=

x^2-7x-3x-21=

x^2+10x+21

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.