Answer:
<h3>
f(-k)=0</h3>
Step-by-step explanation:
(x + k) is a factor of f(x)
x+k=0 => <u>x= -k;</u> <em>-k is a root of f(x)</em>
=> f(-k)=0
Answer:
In picture
Step-by-step explanation:
Brainliest please
Written out, this would be (x / 7) - 10 < -6
solved, it would be x < 28
Answer:
3
Step-by-step explanation:
15x +8 =40 +13
15x + 8=53
15x=45
3
Answer:
h= 24
Step-by-step explanation:



r= 7
1230.88=3.14×7^2×h/3
1230.88= 153.86h/3
h=1230.88/153.86
h= 24