Given f(x)=x^3+2x+k.
and x+1 is a factor of f(x), then what is the value of k?
1 answer:
Answer:
k = 3.
Step-by-step explanation:
By the Factor Theorem. if x+a is a factor of f(x) then f(-a) = 0.
Here we use f(-1):
f(-1) = (-1)^3 + 2(-1) + k = 0
-1 - 2 + k = 0
k = 3.
You might be interested in
Answer: option D is the answer
Step-by-step explanation:
Answer:3 17/24 feet
2 3/8+1 1/3=3 17/24
Step-by-step explanation:
<span>We can make an equation through that information.
X+3+3
</span>Brian bought 3 more of the oranges and apples, and that will get you
X+3+3
=
X+6
Part A) About 19/100
Part B) About 4/25
Part C) About 7/20
Part D) About 13/20
the answer is 96 cm ^ 2
16 × 6 =96
