Answer:
x ≥ 10
Step-by-step explanation:
So put a filled-in dot on 10 and an arrow going to the right
So what you do is
make into ax^2+bx+c=0 form
add-9/2 to both sides
y^2-2y+9/2=0
now we use the quadratice formula which is
x=

ax^2+bx+c=0
1y^2-2y+9/2
a=1
b=-2
c=9/2
subsitute
x=

x=

x=

x=

x=

x=

x=

x=

x=

answer is C
X≈1.5874
(Use the answer in the photo)
Answer:
Step-by-step explanation:
<u>Use the graph to answer the following questions:</u>
When did she start using her phone?
When did she start charging her phone?
While she was using her phone, at what rate was Lin’s phone battery dying?
<u>From 100% to 40% between 2PM and 4 PM:</u>
- (100 - 40)/(4 - 2) = 60/2 = 30% per hour
Answer:
2x-1
Step-by-step explanation: