Help please ................

Mathematics

2 answers:

tigry1 [53]3 years ago

6 0

Answer:

187.25

Step-by-step explanation:

svlad2 [7]3 years ago

6 0

729÷ 4 = 182 if you have a calculator it shows 182. 25 round it like is the two bigger than 5or less then if it is less leave it like that just the 182

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Brrunno [24]

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3 years ago

Read 2 more answers

Can someone answer this?

denpristay [2]

Answer:

$\lim_{x\to 3^-} f(x)=-1$

Step-by-step explanation:

We have a piesewise function composed of three pieces. two line segments and one point.

The first line cuts at point (0,0) and ends at point (3, -1)

If we use these two points we can find the equation of the line.

The slope m is:

$m = \frac{y_2-y_1}{x_2-x_1}\\\\m = \frac{-1 - (0)}{3-0}\\\\m = -\frac{1}{3}$

So the equation is:

$y = -\frac{1}{3}x + b$

As the line cuts in (0,0) then $b = 0$ and the equation is:

$y = -\frac{1}{3}x$

The equation of the second line is:

$y = -4$

Now we can find f(x) (although it is not necessary to find the equation of f(x) because we have its graph)

$f(x) = -\frac{1}{3}x$ if $x$ ; $f(x)=-4$ if $x> 3$ ; $f(x)= 7$ if $x = 3$ .

The limit of f(x) when x tends to 3 from the left $\lim_{x\to 3^-} f(x)$ is the limit of the function when x approaches 3 from the left. If x approaches 3 from the left then $x$ . If $x$ then f(x) is given by the line $y = -\frac{1}{3}x$ . Then the limit is -1 as seen in the graph