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Yanka [14]
3 years ago
10

Evaluating Quadratic Functions Using a Graph

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
7 0

Answer:

f(-4)= 6

f(0)= -6

f(1)= -4

Step-by-step explanation:

inna [77]3 years ago
7 0

Answer:

f(-4)= 6

f(0)= -6

f(1)= -4

Step-by-step explanation:

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Which of the following is a rational number?<br><br> a)10<br> b)100<br> c)1000<br> d)100000
earnstyle [38]

Answer:

All of the above

Step-by-step explanation:

10, 100, 1000, 100000 all are rational numbers because you can write them as:

10/1 , 100/1, 1000/1, 100000/1

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Mr perry bought a computer for $1,920 including tax. If he pays for it in 16 equal payments what will be the dollar amount of ea
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Answer: Your answer is the third one, a function assigns to each input exactly one output.

If you have a true function, there will only be one output for each input, if you had more than one, it isn't a function.


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3 years ago
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What is the average rate of change of the function over the interval x = 0 to x = 5?
AURORKA [14]

\bf slope = m = \cfrac{rise}{run} \implies \cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby \begin{array}{llll} average~rate\\ of~change \end{array}\\\\[-0.35em] \rule{34em}{0.25pt}\\\\ f(x)= 2x^2-1\qquad \begin{cases} x_1=0\\ x_2=5 \end{cases}\implies \cfrac{f(5)-f(0)}{5-0} \\\\\\ \cfrac{[2(5)^2-1]~~-~~[2(0)^2-1]}{5}\implies \cfrac{50-(-1)}{5}\implies \cfrac{50+1}{5}\implies \cfrac{51}{5}\implies 10\frac{1}{5}

6 0
3 years ago
The length of the flagpole is ?
Flauer [41]

The length of the flagpole is x - 5 yards

<h3>Area of a square</h3>

The formula for calculating the area of the flagpole is expressed as:

A = L²

Given that;

A = x² - 10 + 25

Factorize

A = x² - 5x - 5x + 25

A =(x - 5) - 5(x - 5)

A = (x-5)²

Compare

L = x - 5 yards

Hence the length of the flagpole is x - 5 yards

Learn more on area of a square here: brainly.com/question/13389992

#SPJ1

4 0
1 year ago
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