Is the function f(x) x³-11x odd even or neither

Mathematics

1 answer:

Paul [167]3 years ago

4 0

Answer:

Step-by-step explanation:

A function is odd if f(-x) = -f(x)

A function is even if f(-x) = f(x)

And neither if neither are true.

In this case if we plugged in a negative x here

f(-x) = (-x)^3 - 11(-x)

f(-x) = -x^3 + 11

Therefore, this function is odd because if we pulled out a negative one again we would get back the original function. Or in other words f(-x) = -f(x) for f(x) = x^3 - 11x

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What does -40x-7y=-5 equal to find Y

pickupchik [31]

The values x and y are determined when we use the substitution method.

y = x + 5

Apply eh value of y into the equation to solve for x.

3x + y = 25

3x + x + 5 = 25

Combine like terms

3x + x = 4x

4x + 5 = 25
-5 -5 4x = 20

4x/4 = 20/4
x = 20/4
x= 5

Now we know the value of x, and we need to solve for y.

y = x + 5
y = 5 + 5
y = 10
10 = 10

Now we know both of these values.

Answer:

x = 5
<span>y = 10</span>

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Answer and Step-by-step explanation: