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juin [17]
3 years ago
11

Please help STRUGGLING with math few math questions! Ty

Mathematics
2 answers:
-BARSIC- [3]3 years ago
6 0

Question 1:


F(x) and g(x) are like variables, just plug into the equation.


f(x) + g(x) = (x + 6) + (12x - 7)


x+6+12x-7 = 13x-1


Question 2: f(3) + g(-1)


You plug in the x-values into the equation, and then take the answer and add them together.


f(3) = 3+4

g(-1) = 12(-1)-6


f(3) = 7

g(-1) = -18


7 + (-18) = -11


Question 3:


This is similar to question 1, plug in the variables and simplify.


9x - (7x+3)


Remember to distribute the "-"


9x - 7x - 3

2x - 3

stiv31 [10]3 years ago
3 0

Answer:

Question 1. 13x-1

Question 2. -11

Question 2x-3

Step-by-step explanation:

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<u>           - 16  - 16</u>
        |x + 2| = -15
         x + 2 = -15    U    x + 2 = 15
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|2x + 6| - 4 = 20
<u>            + 4   + 4</u>
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      2x + 6 = 24    U    2x + 6 = -24
      <u>     - 6    - 6</u>           <u>     - 6      - 6</u>
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Answer:

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Option D is correct.

Step-by-step explanation:

Given: A rocket is launched with speed 85 ft/s from a height 28  feet.

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Parabolic equation of rocket is

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