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otez555 [7]
2 years ago
11

HELP QUICK! You must find all intervals where f(x) is negative. f(x)=2(x+3)(x-7)

Mathematics
1 answer:
beks73 [17]2 years ago
4 0

Answer:

any # where -2<=x<7

Step-by-step explanation:

(x-7) would be negative and (x+3) positive, resulting in f(x) being negative.

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Morgan has 1/3 of a pond of bottle caps storend evenly in 3 boxes. How many pounds of bottles caps are in each box?
GREYUIT [131]
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Given that F( x ) = x 2 + 2, evaluate F(1) + F(5).
stealth61 [152]

Hi there! :)

Answer:

\huge\boxed{f(1) + f(5) = 30}

Given:

f(x) = x^{2} + 2

Evaluate f(1) + f(5)

Solve for each:

f(1) = (1)^{2} +  2 = 3

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3 0
3 years ago
Read 2 more answers
16x 2 + 8x - 15 Mathematics?
Gala2k [10]
If you're factoring, your answer is

(4x - 3)(4x + 5)

You'll work it out this way:

16x^2 + 8x - 15

Since there's no GCF here, you multiply the first and third terms, giving you -240. Your next step is to find two numbers that have a sum of 8 and a product of -240. These numbers are 20 and -12. Plug those in and you've got:

16x^2 + 20x - 12x - 15

From here you divide it into two binomials. These are (16x^2 + 20x) and (-12x - 15).
When you take out the greatest common factors (4x and -3), they become:

4x(4x + 5) - 3(4x + 5)

Then you group what's outside of the parentheses together (4x - 3)
And bring what's inside of the parentheses down (4x + 5).
This brings your answer to

(4x - 3)(4x + 5)
5 0
3 years ago
For the following right triangle, find the side length x
Juli2301 [7.4K]

Answer:

37

Step-by-step explanation:

35^2+12^2=1369

√1369=37

4 0
3 years ago
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