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Rashid [163]
3 years ago
5

What is the given function rule f(x)=x^2-5x=1 is the output of f(-3)

Mathematics
2 answers:
Kaylis [27]3 years ago
5 0
The answer ur looking for is 25

Jet001 [13]3 years ago
4 0

Answer:

i think it would be 25.

Step-by-step explanation:


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Write an equation in slope-intercept form for the line that passes through the point  ( -1 , -2 )  and is perpendicular to the l
mamaluj [8]

The equation in slope-intercept form for the line that passes through the point  ( -1 , -2 )  and is perpendicular to the line − 4 x − 3 y  =  − 5 is y = \frac{3}{4}x - \frac{5}{4}

<em><u>Solution:</u></em>

<em><u>The slope intercept form is given as:</u></em>

y = mx + c ----- eqn 1

Where "m" is the slope of line and "c" is the y - intercept

Given that the line that passes through the point  ( -1 , -2 )  and is perpendicular to the line − 4 x − 3 y  =  − 5

Given line is perpendicular to  − 4 x − 3 y  =  − 5

− 4 x − 3 y  =  − 5

-3y = 4x - 5

3y = -4x + 5

y = \frac{-4x}{3} + \frac{5}{3}

On comparing the above equation with eqn 1, we get,

m = \frac{-4}{3}

We know that product of slope of a line and slope of line perpendicular to it is -1

\frac{-4}{3} \times \text{ slope of line perpendicular to it}= -1\\\\\text{ slope of line perpendicular to it} = \frac{3}{4}

Given point is (-1, -2)

Now we have to find the equation of line passing through (-1, -2) with slope m = \frac{3}{4}

Substitute (x, y) = (-1, -2) and m = 3/4 in eqn 1

-2 = \frac{3}{4}(-1) + c\\\\-2 = \frac{-3}{4} + c\\\\c = - 2 + \frac{3}{4}\\\\c = \frac{-5}{4}

\text{ substitute } c = \frac{-5}{4} \text{ and } m = \frac{3}{4} \text{ in eqn 1}

y = \frac{3}{4} \times x + \frac{-5}{4}\\\\y = \frac{3}{4}x - \frac{5}{4}

Thus the required equation of line is found

8 0
2 years ago
Plssss help ASAPPP!!!!!!!
Alik [6]

Answer:

12

Step-by-step explanation:

you have to times 2 x 6 to find your x

I'm not for sure tho but I hope it's right

8 0
2 years ago
If f(x) = -2x^2 + x–5, what is f(3)?
yan [13]

Answer:

-20

Step-by-step explanation:

Replace X by 3

f(3) = -2(3)^2+ (3)-5 = -20

7 0
3 years ago
Circumference of a 8.11
levacccp [35]
Umm what is this supposed to mean more information
4 0
3 years ago
The minute hand of a clock is exactly 6in in length, and the tip of the minute hand has traveled ten inches since noon. What tim
frutty [35]
\bf \textit{arc's length}\\\\&#10;s=\cfrac{\theta \pi r}{180}\qquad &#10;\begin{cases}&#10;r=radius\\&#10;\theta =angle\ in\\&#10;\qquad degrees\\&#10;------\\&#10;r=6\\&#10;s=10&#10;\end{cases}\implies 10=\cfrac{\theta \pi 6}{180}\implies \cfrac{180\cdot 10}{6\pi }=\theta &#10;\\\\\\&#10;\cfrac{300}{\pi }=\theta \implies 95.49^o\approx \theta

now, the circle of the clock has 360°, if we divide it by 60(minutes), we get 360/60, just 6° for each minute.

now, if there are 6° in 1 minute, how many minutes in 95.49°?

well, just 95.49/6 or about 15.92 minutes, I take it you can round it up to 16 minutes.

so 16 minutes since noon, so is about 12:16, about time get the silverware for lunch.
3 0
3 years ago
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