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Papessa [141]
3 years ago
9

If f(x) = 3x + 5 and g(x) = –2x2 – 5x + 3, find (f + g)(x).

Mathematics
1 answer:
vazorg [7]3 years ago
8 0
(f + g)(x) is equal to f(x) + g(x).

So (f + g)(x) = (3x + 5) + (-2x^2 - 5x + 3) = -2x^2 - 2x + 8
which is choice C.
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Help<br><br> (5a-3a^3)*(4a-1)
ivann1987 [24]

Answer:

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Step-by-step explanation:

(5a-3a^{3} ) • (4a-1)

Let's use FOIL (first, outer, inner, last) to solve this. We'll multiply the terms by one another in that fashion.

20a^{2} - 5a - 12a^{4} + 3a^{3}

Rearrange in decreasing exponents.

-12a^{4}  + 3a^{3} + 20a^{2} -5a

3 0
3 years ago
A line has an equation of y = - 3x + 8. What is the y-intercept of the line? Please enter your answer as a coordinate (x, y). *
mina [271]

Answer:

(0, 8).

Step-by-step explanation:

The y intercept occurs when  = 0, so we have the equation:

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The answer is (0, 8).

6 0
3 years ago
Could someone check my answer please
Butoxors [25]
Hello there! The axis of symmetry is the vertical line where the parabola can be divided and there are two equal halves. The vertex is on that line. The point where this occurs is all in the positive range, so that eliminates B, C, and D. (0.5, 4.25) is the vertex and 0.5 is the axis of symmetry. The answer is A. Your answer is correct.
3 0
3 years ago
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Help me with 2 please
GarryVolchara [31]
The answer to your question would be C 6 can be put into 18 and 24
7 0
3 years ago
What is 4.3 x 10 is it 43 yes or no
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The answers is correct yes
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