Answer:
Step-by-step explanation:
Let the quadratic function be
y=a(x+4)²-1
∵(-7,8) lies on it.
8=a(-7+4)²-1
8+1=a(-3)²
9a=9
a=9/9=1
so quadratic function is
f(x)=1(x+4)²-1
or
f(x)=x²+8x+16-1
so quadratic function is
f(x)=x²+8x+15
Answer:
decimal=0.625
percent=62.5%
Step-by-step explanation:
mark brainliest pls and hope this helps u
Answer:
try the 3rd one
Step-by-step explanation:
if it's not right then i'm sorry
Answer:
Cotton
Step-by-step explanation:
I just took the test
