I think the answer to (Y) may be 40 cubic units
Answer:
b) -10
Step-by-step explanation:
x^2 + 3x + k = (x - 2)(x - a)
(x - 2)(x - a) = x^2 - 2x - ax + 2a = x^2 + [-2 - a)x] + 2a
-2 - a = 3
2a = k
a = -5
k = 2(-5) = -10
Answer: b) -10
We have been given two functions
and
. We are asked to find
.
We will use composite function property
to solve our given problem.
Now we will combine like terms as:


Therefore, the value of
would be
.
Answer:
4.5
Explanation:
I’ve attached my work below
Hope it helps, Let me know if you have any questions !
Answer:
Answer. (alpha + beta ) ^2 - 2 × alpha×beta
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