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il63 [147K]
3 years ago
15

Find the average rate of change for f(x)=9x^2+3 over the interval [x,x+h].

Mathematics
1 answer:
butalik [34]3 years ago
4 0

Answer:

9h +18x

Step-by-step explanation:

\frac{f(x +h) -f(x)}{x+h -x} \\ \frac{9(x +h)^2 +3 -(9x^2 +3)}{h} \\ \frac{9(x^2 +2xh +h^2) +3 -9x^2 -3 }{h} \\ \frac{9x^2 +18xh +9h^2 +3 -9x^2 -3}{h} \\ \frac{9h^2 +18xh}{h} \\ 9h +18x

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Find the value of x if A, B, and C are collinear points and B is between A and C.
Andrew [12]

Answer:

x = 6

Option A.

Step-by-step explanation:

We know that

If A, B and C are collineal points, they all pass through a common line.

<--------------14-------------->

A-----------B----------------C

<-----x-----><------x+2---->

Based on the problem and the diagram above,

(x) + (x+2) = 14

(2x+2) = 14

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7 0
3 years ago
each paperclip is 7/8 of an inch long and costs $.03. exactly enough paper clips are laid end to end yo have a total length of 5
GalinKa [24]
1 clipe..............7/8
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64 clipes = 0,03*64
64 clipes = 1,92
5 0
3 years ago
1. Consider the rational numbers 4/13 and 3/10.
Murljashka [212]

A)4/13 would be the larger number since if you were to try to add them, 4/13 = 40/130 and 3/10 = 39/130, 40/130 > 39/130

B) A rational number between them would be 39.5/130.

5 0
3 years ago
How many TRIANGLES can you find?
laiz [17]

Answer:

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4 0
3 years ago
i think of a number, multiply it by 2 subract 6 and then divide by 4. If the answer is 8 what is the original number
ivanzaharov [21]

Answer:

19

Step-by-step explanation:

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32 + 6 = 38

38 / 2 = 19

6 0
3 years ago
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