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3 years ago

Given the graph of f(x) find the function value below. f(2)

Mathematics

2 answers:

aleksandr82 [10.1K]3 years ago

6 0

F(2) = 0

X=2

So it you look at the x axis it crosses the value of 2 on the y=0

vfiekz [6]3 years ago

6 0

Answer:

The value of f(2) is 0.

Step-by-step explanation:

In the given graph x-axis represents the input values of the function f(x) and y-axis represents the output of the function f(x).

We have to find the value of f(2). In other word we have to find the value of f(x) at x=2.

From the given graph it is clear that the graph of function intersect x-axis at x=2. It means the value of f(x) at x=2 is 0.

$f(2)=0$

Therefore the value of f(2) is 0.

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Let the two integers be x and y.

Now, the product of x and y, is 80, that is

$\begin{gathered} x\times y=80 \\ xy=80\ldots\ldots\text{.equation 1} \end{gathered}$

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$\begin{gathered} x\div y=5 \\ \frac{x}{y}=5\ldots\ldots\ldots\ldots\text{.}\mathrm{}\text{equation 2} \end{gathered}$

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Now substitute the x for 5y into equation 1, we have

$\begin{gathered} xy=80 \\ 5y\times y=80 \\ 5y^2=80 \\ \text{dividing by 5} \\ y^2=\frac{80}{5} \\ y^2=16 \\ \text{take square root of both sides } \\ \sqrt[]{y^2}=\sqrt[]{16} \\ \text{square cancels root} \\ y=4 \end{gathered}$

Now substitute y for 4 into any of the equations.

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