3 years ago

The graph of f(x) = 2x3 +x2 – 4x – 2 is shown. How many of the roots of f(x) are rational?

Mathematics

2 answers:

snow_tiger [21]3 years ago

7 0

the correct answer is B:1

Hatshy [7]3 years ago

6 0

Answer:

B) 1

Step-by-step explanation:

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Which function is graphed?

Naddik [55]

Step-by-step explanation:

i just graphed each of them and b was the one that look most similar

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1 year ago

Ms. Ramirez earns 250 each week plus 7% of any amount she sells. she earned 845 last week. How much did she sell ?

prohojiy [21]

Answer:

8500

Step-by-step explanation:

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3 years ago

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The sum of one third of a number and five is equal to six less than the number

abruzzese [7]

Call the number : x

(1/3)x + 5 = x-6

=> (1/3)x + 5 - (x-6) = 0
=> (1/3)x + 5 - x + 6 = 0
Group (1/3)x with -x, 5 with 6

=> [(1/3)x - x] + (5+6) = 0
=> (-2/3)x + 11 = 0
=> (-2/3)x = -11
=> x = -11 : (-2/3) = 33/2.

Recheck : 1/3 x 33/2 + 5 = 33/6 + 5 = 63/6 = 21/2

33/2 - 21/2 = 12/2 = 6 (21/2 is 6 less than 33/2, satisfied.)

4 0

2 years ago

If 32^2c=8^c+7 whay is the value of c ?

natima [27]

32^(2c)=8^(c)+7
2^10c=2^3c+21 im gonna assume 7 is in the exponent
10c=3c+21
7c=21
c=3

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4 years ago

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2x + 3y + 7 + (-2x) + 12 is equivalent to 3y +19 . Agree or Disagree justify your choice.

Alex17521 [72]

I agree because when you combine like terms you end up with 3y+19.

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3 years ago