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Andreyy89
4 years ago
14

A function f is defined by f(x)=3x+19. If x increases by 2, by how much does f(x) increase?

Mathematics
1 answer:
motikmotik4 years ago
7 0
The slope of the function is given by the coefficient of x (here it is 3)

so as x increases by 2 f(x) will increase by 3*2  = 6


Answer is 6.
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MrMuchimi

Answer:

Alright! BTW, the answer to the question is D :)

Step-by-step explanation:

Reflecting across the x-axis, the x-coordinate ALWAYS remains the same, but the y-coordinate is transformed into its opposite. If you forget this, fold along the x line, and you should be able to figure it out. Reflecting across the y-axis, the y-coordinate ALWAYS remains the same, but the x-coordinate is transformed into its opposite. If you forget this, fold along the y line, and you should be able to figure it out.

Hope I helped!

6 0
3 years ago
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Answer:

x = 1

y = 5

Step-by-step explanation:

You can use either substitution or elimination for this problem. I will use substitution.

Step 1: Replace x in the 1st equation

-10(y-4) + 3y = 5

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Step 2: Plug <em>y </em>into an original equation to find <em>x</em>

x = 5 - 4

x = 1

And you have your final answers!

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3 years ago
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nordsb [41]
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4 0
3 years ago
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choli [55]

The cost of a cd after 6 year is =$ 15.12

Step-by-step explanation:

The present cost of the cd is $11.95 and inflation rate 4%

P = $11.95 , r = 4% and  n = 6 years

The cost of a cd after 6 year is =P (1+\frac{r}{100})^n

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                                                   =$ 15.12

3 0
3 years ago
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