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Andrei [34K]
3 years ago
9

Let f(x) = 5x ^ 2 - x + 1 and g(x) = - 3x . Evaluate the composition (fg)(1)

Mathematics
2 answers:
ANEK [815]3 years ago
8 0

9514 1404 393

Answer:

  -15

Step-by-step explanation:

(fg)(1) = f(1)×g(1) = (5×1² -1 +1)×(-3·1) = (5)×(-3)

(fg)(1) = -15

nlexa [21]3 years ago
5 0
F(x) = 5(-3x) ^2 - (-3x) + 1
f(x) = -8x ^2 + 3x + 1
f(x) = -8x ^3 + 3x
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The ________________ is the horizontal number line on the coordinate grid.
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Answer:

x-axis

Step-by-step explanation:

The horizontal number line is called the x-axis. The vertical number line is called the y-axis. The point where the x- and y-axes meet is the origin.

Hope this helps! <3

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48 cookies; 25 % decrease... Find the new amount given the original amount And the percent of change.
coldgirl [10]
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7 0
3 years ago
1
cricket20 [7]

Answer:

(B)(0,5)

Step-by-step explanation:

Given the start point at (4,1)

Given the (x,y) coordinates

  • Moving to the left 4 places is: x-4
  • Moving up 4 places: y+4

Therefore, applying the rule(x-4, y+4) to (4,1), we have:

(4-4, 1+4)=(0.5)

The coordinates of the new ordered pair is (0,5).

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7 0
3 years ago
State whether each statement is true or false,the sum of two positive integers is positive?
Dominik [7]
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Sean multiplied two numbers and the resulting product was an irrational number. If the first number was 7/3, which of the follow
lesya692 [45]

Answer: 2*pi and √3.

Step-by-step explanation:

We know that when we multiply a rational number different than zero and an irrational number, the product will be also an irrational number.

Then if one of the numbers for this case is 7/3 (A rational number), the other must be an irrational number.

The given options are:

3/7 (is a rational number, so this is not the correct option)

2*pi (pi is an irrational number, then 2*pi is also an irrational number)

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1 (this is a rational number, then this is not the correct option)

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4 0
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