i am certain that this is the answer
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➷ Put -2 everywhere you see x:
f(-2) = 5(-2)
f(-2) = -10
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Answer:
Step-by-step explanation:
If we are to find q(p(x)), we are to start at the innermost part of the problem which is p(x). Take the function p(x) and fill it into q(x) every place you see an x:
is the composition of p into q. Now all we have left to do is simplify.
Then we have to finally multiply in the 2 to get:
The answer is down the page under ANSWER. here is a quick explanation first.
okay, i assume your equation is actually like this:
minus x squared plus 4 x minus
note: the proper way to type this electronically is: -x^2 + 4x - 2.
The equation you gave is known as a quadratic equation.
if you think about it, the generic (general) way of writing this quadratic equation is:
ax^2 + bx + c
a, b and c are just numbers
eg.
2x^2 + 7x + 4
looking at the general equation above
a is 2
b is 7
c is 4
you can put negatives in as well, to find out a, b and c
eg
-2x^2 - 6x - 12
so, what is a b and c?
a is -2 (must say its negative)
b is - 6 (must say negative)
c is - 12 ( again, remember its a negative number)
ANSWER
IF YOU JUST WANT THE ANSWER.
THE DISCRIMINANT IS:
4 squared minus (4 times -1 times -2)
this is 16 - 8
solution of discriminant is 8
explanation:
so, now we cleared that up.
in any quadratic equation ( like the equation you gave), the discriminant is (in general)
b2 - 4ac
use this to solve it for any quadratic equation for the discriminant
Answer: 4.6 cattle
Step-by-step explanation:
Since you are finding the average, you have to...
Step 1: Add all of the numbers:
4 + 1 + 9 = 14
Step 2: Divide 14 by 3 (the amount of numbers added)
14 ÷ 3 = 4.666666666667 (to be exact)
(Wishing the rancher good luck to take care of 2/3 of a cow)
Happy to help :)
-jp524
