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Elena-2011 [213]
3 years ago
5

Determine if f (x) = - x^3 + 4x^2 +7x - 6

Mathematics
1 answer:
jekas [21]3 years ago
6 0
-x(x2-4x-7)+6=-x(x2-4)-7+6=-x(x+2)(x-2)-1=-x-1
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Please check if these are right if not can someone tell me the correct answer
amm1812

Answer: 4 IMAGES

7) slope = 0, Y-intercept = (0, -4)

8) Slope = -1, Y-intercept = (0, -1)

9) Slope= -2/5, Y-intercept= (0, -1)

10) Slope= -2, Y-intercept= (0, 4)

Step-by-step explanation:

I hope it's correct

7 0
3 years ago
A cyclist has rode his bike 174 miles in 3 hours. If he continues at this rate, how long would it take him to complete another 4
In-s [12.5K]

Answer:

7 hours

Step-by-step explanation:

174/3 is 58 miles per hour so 406/58 is 7 hours

6 0
3 years ago
Factor -1/4 out of -1/2-5/4y
In-s [12.5K]
When we factor out something, we divide the factor by the equation. For example if we were to factor 3 out of 6, It will be 3(2). We got this answer by dividing 3 and 6. Using this concept:

\frac{-1}{4}[( \frac{-1}{2} / \frac{-1}{4}) - ( \frac{5}{4} y /  \frac{-1}{4})]

Simplifying:

\frac{-1}{4}(2 + 5y)

Hope this helps!
3 0
3 years ago
Rodney has a board 5/6 yd long. He used 1/5 of the board to make a frame. How long is the board used to make the frame.
Katarina [22]
He uses 1/5 OF 5/6 of a yard. That "of" is very important, because it indicates that, to find the answer, you multiply the two together. 

That being said (1/5) times (5/6) =5/30, which can be reduced to 1/6 yds to make the frame
3 0
4 years ago
Which expression means 7 more than a number?
Kisachek [45]
The answer is B 

- <span>"More" means added to, or addition. So 7 more than 'A number' is: </span><span>d + 7</span>
4 0
4 years ago
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