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ruslelena [56]
3 years ago
8

Graph the function. f(x)=-\dfrac{2}{3}(x +1)(x -5)f(x)=− 3 2 ​ (x+1)(x−5)

Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0

Answer:

see below

Step-by-step explanation:

f(x) = -2/3 (x+1) (x-5)

First find the zeros

0 = -2/3 (x+1) (x-5)

Using the zero product property

x+1 =0   x-5=0

x= -1    x = 5

Then find the y intercept

y = -2/3 (0+1)(0-5)

  - 2/3 (1)(-5)

  +10/3

We know that this is a parabola that opens downward

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One fifth of one number and one fourth of a number are added, the result is 29. What is the original number?
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Answer:

\dfrac{580}{9}

Step-by-step explanation:

\dfrac{1}{5}x + \dfrac{1}{4}x = 29

\dfrac{4}{20}x + \dfrac{5}{20}x = 29

\dfrac{9}{20}x = 29

x = 29 \times \dfrac{20}{9}

x = \dfrac{580}{9}

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Step-by-step explanation:

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