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3 years ago

What does the notation f(2) mean? multiply f by 2 the output (y-value) when x = 2 the value of x when the output is 2

Mathematics

2 answers:

olga nikolaevna [1]3 years ago

5 0

Answer:

B. the output (y-value) when x = 2

andrezito [222]3 years ago

3 0

f(2) means x equals 2. its saying like 2 is your x value. Like for example

f(4)=x+6

you plug in your x value and solve.

f(4)=4+6

f(X)=10

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Read 2 more answers

The ratio of violinists to cellists in the school orchestra must always be 7:3. If the school orchestra has 21 violinists, what

Papessa [141]

Given:

Violinists : Cellists = 7:3.

Number of violinists in the school orchestra = 21

To find:

The combined number of cellists and violinists.

Solution:

Let the number of violinists and cellists in the school orchestra are 7x and 3x respectively.

Then, combined number of cellists and violinists is

$\text{Combined number of cellists and violinists}=7x+3x$

$\text{Combined number of cellists and violinists}=10x$ ...(i)

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Divide both sides by 7.

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Now, the combined number of cellists and violinists is

$\text{Combined number of cellists and violinists}=10(3)$ [Using (i)]

$\text{Combined number of cellists and violinists}=30$

Therefore, the combined number of cellists and violinists is 30.

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