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Elina [12.6K]
3 years ago
10

F (x )= 1/4 x for x = -5

Mathematics
2 answers:
Sholpan [36]3 years ago
6 0

Answer:

-5/4

Step-by-step explanation:

f(x)=1/4x

f(-5)=1/4(-5)

f(-5)=-5/4

Lubov Fominskaja [6]3 years ago
3 0

You are told x = -5, replace x in the equation ad solve:

f(x) = 1/4x

f(-5) = 1/4(-5)

f(-5) = -5/4 or -1/ 1/4 or   -1.25 as a decimal

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Sedaia [141]

Answer:

domain: (-5, infinity)

range: (-infinity, 2)

Step-by-step explanation:

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3 years ago
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I will mark BRAINLIEST for the right and well explained answer!
Mademuasel [1]

The three interior angles of any triangle add to 180 degress.  Therefore,


180-(120 + 40) = the third angle.


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2 years ago
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F⃗ (x,y)=−yi⃗ +xj⃗ f→(x,y)=−yi→+xj→ and cc is the line segment from point p=(5,0)p=(5,0) to q=(0,2)q=(0,2). (a) find a vector pa
DerKrebs [107]

a. Parameterize C by

\vec r(t)=(1-t)(5\,\vec\imath)+t(2\,\vec\jmath)=(5-5t)\,\vec\imath+2t\,\vec\jmath

with 0\le t\le1.

b/c. The line integral of \vec F(x,y)=-y\,\vec\imath+x\,\vec\jmath over C is

\displaystyle\int_C\vec F(x,y)\cdot\mathrm d\vec r=\int_0^1\vec F(x(t),y(t))\cdot\frac{\mathrm d\vec r(t)}{\mathrm dt}\,\mathrm dt

=\displaystyle\int_0^1(-2t\,\vec\imath+(5-5t)\,\vec\jmath)\cdot(-5\,\vec\imath+2\,\vec\jmath)\,\mathrm dt

=\displaystyle\int_0^1(10t+(10-10t))\,\mathrm dt

=\displaystyle10\int_0^1\mathrm dt=\boxed{10}

d. Notice that we can write the line integral as

\displaystyle\int_C\vecF\cdot\mathrm d\vec r=\int_C(-y\,\mathrm dx+x\,\mathrm dy)

By Green's theorem, the line integral is equivalent to

\displaystyle\iint_D\left(\frac{\partial x}{\partial x}-\frac{\partial(-y)}{\partial y}\right)\,\mathrm dx\,\mathrm dy=2\iint_D\mathrm dx\,\mathrm dy

where D is the triangle bounded by C, and this integral is simply twice the area of D. D is a right triangle with legs 2 and 5, so its area is 5 and the integral's value is 10.

4 0
2 years ago
C/ 8= 9. What does c equal
Norma-Jean [14]

Answer: 72

72/8 will get you 9. To see if the answer is correct Multiply 9*8.

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Komok [63]

Answer:

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Step-by-step explanation:

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