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sveta [45]
4 years ago
7

Let f(x)=3/4x^2 −1.

Mathematics
1 answer:
Dmitry [639]4 years ago
7 0

f(x)=3/4x^2 −1.

A vertical stretch by a factor of 8 you multiply the number with x by the factor:

3/4 x 8 = 6

g(x) = 6x^2-1

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The function f is defined by f(x)=2x+5/x+4 find f (3x)
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Answer:

\displaystyle f(3x) = \frac{6x + 5}{3x + 4}

General Formulas and Concepts:

<u>Algebra I</u>

  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

\displaystyle f(x) = \frac{2x + 5}{x + 4}

<u>Step 2: Find</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                              \displaystyle f(3x) = \frac{2(3x) + 5}{3x + 4}
  2. Simplify:                                                                                                             \displaystyle f(3x) = \frac{6x + 5}{3x + 4}
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3 years ago
Lines A and B are parallel lines cut by a transversal. Find the value of x.
r-ruslan [8.4K]

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At a movie theater adult tickets cost $10, and child tickets cost $6. Which equation can be
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Answer:  Choice A

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Reason:

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10k + 6(5) = total cost for all adults and children

s = total cost in dollars

s = 10k+6(5)

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