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3 years ago

Simplify four to the third power

Mathematics

1 answer:

Harman [31]3 years ago

8 0

4 times 4 times 4
= 64

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Find the maximum value or minimum value for the function f(x) = 0.15(x + 1)² - 3.

il63 [147K]

Answer:

The minimum value for $f(x) = 0.15(x + 1)^2 - 3$ is $-3$ .

Step-by-step explanation:

Given function is $f(x) = 0.15(x + 1)^2 - 3$

We need to find the maximum value or the minimum value for the function.

Now, differentiate $f(x) = 0.15(x + 1)^2 - 3$ w.r.t $x$ .

$f'(x) =\frac{d}{dx}(0.15(x + 1)^2 - 3)\\f'(x)=\frac{d}{dx}(0.15(x+1)^2-\frac{d}{dx}(3)\\$

$f'(x)=2\times 0.15(x+1)\frac{d}{dx}(x+1)-0\\f'(x)=0.3(x+1)(1)\\f'(x)=0.3(x+1)$

Now, we will equate $f'(x)=0$ to find critical point.

$0.3(x+1)=0\\x=-1$

Plug this critical point in to the function $f(x) = 0.15(x + 1)^2 - 3$ we get,

$f(-1) = 0.15(-1 + 1)^2 - 3\\f(-1)=-3$

Also, $f''(x)=0.3$ which is positive, We have minimum value.

So, the minimum value for $f(x) = 0.15(x + 1)^2 - 3$ is $-3$ .

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3 years ago

Factor y=x^4 +6x^2-7

sasho [114]

(x^2-1)(x^2+7) should be your answer

4 0

2 years ago

What is the name of this shape

Nataliya [291]

A rectangle....unless it isn't a photo taken from a weird angle....but thats a rectangle.

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2 years ago

Read 2 more answers

18x = ~36?

FromTheMoon [43]

Answer:

from the picture the answer is D.

Step-by-step explanation:

$2 \ti4mes \f7rac{?}{?}$

to find x subtract 18x from 4x which will give you -14x=-36

divide both sides by -14

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2 years ago

Which of the following is the inverse of F(x) if F(x) = 6x?

exis [7]

The best answer is d

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2 years ago