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Ksju [112]
3 years ago
7

Find a cubic function with the given zeros 7,-7,-4

Mathematics
1 answer:
ddd [48]3 years ago
7 0

f(x) = (x-7)(x+7)(x+4)

= (x^2 - 49)(x+4)

= x^3 + 4x^2 - 49x - 196

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Given the equation y=12x, x representing number of hours worked, y representing amount of money earned, how much would John earn
JulijaS [17]

9514 1404 393

Answer:

  72

Step-by-step explanation:

Substitute 6 for x in the equation and do the arithmetic.

  y = 12x

  y = 12·6 = 72

John earns 72 money units in 6 hours.

8 0
3 years ago
What is 1 + ( -2/3) - ( -9/2)
Bingel [31]

Answer

29/6  or 4 5/6

Step-by-step explanation:

1. Find a common denominator

2. Common denominator is 6   Remember - multiply by a - gives you a positive.

3. Rewrite 6/6 -4/6 +27/6

4. Add the numerators together to get 29

5. Answer is 29/6 or as a mixed number 4 5/6

4 0
3 years ago
Select all that apply
Alenkinab [10]
I think the answer is A,C,F
5 0
3 years ago
Solve:<br><br> 3.7x + 1.2 = 5.4x - 6.3
maks197457 [2]
X=75/17 i did the math and got that answer
4 0
2 years ago
Read 2 more answers
Brainliest for correct awnser! Over what interval is the function in this graph decreasing?
kenny6666 [7]

Answer:

Option (1)

Step-by-step explanation:

In the graph attached,

There are three intervals of the function graphed.

1st interval → -∞ < x < -3

2nd interval → -3 ≤ x ≤ 2

3rd interval → 2 < x < ∞

In the 1st interval, value of the function is constant. [represented by a straight horizontal line]

In the second interval, line graphed is slanting down. (slope of the line is negative).

Therefore, value of the function is decreasing in -3 ≤ x ≤ 2

In 3rd interval, slope of the line is positive. Therefore, function is increasing in the 3rd interval.

Option (1) will be the answer.

3 0
3 years ago
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