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marysya [2.9K]
3 years ago
15

Y = f(x) = 25x Find f(x) when x= 1/2

Mathematics
2 answers:
777dan777 [17]3 years ago
8 0

Answer:

f(x) = 12.5

Step-by-step explanation:

f(x) = 25x

Substitute 1/2 for x

f(x) = 25(1/2)

f(x) = 25/2

f(x) = 12.5

Ray Of Light [21]3 years ago
7 0

Answer:

12.5

Step-by-step explanation:

f of x just means y, so you're just finding y when x = 1/2

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3 years ago
Find a nonzero vector orthogonal to the plane through the points: ????=(0,0,1), ????=(−2,3,4), ????=(−2,2,0).
ser-zykov [4K]

Answer:

The nonzero vector orthogonal to the plane is <-9,-8,2>.

Step-by-step explanation:

Consider the given points are P=(0,0,1), Q=(−2,3,4), R=(−2,2,0).

\overrightarrow {PQ}==

\overrightarrow {PR}==

The nonzero vector orthogonal to the plane through the points P,Q, and R is

\overrightarrow n=\overrightarrow {PQ}\times \overrightarrow {PR}

\overrightarrow n=\det \begin{pmatrix}i&j&k\\ \:\:\:\:\:-2&3&3\\ \:\:\:\:\:-2&2&-1\end{pmatrix}

Expand along row 1.

\overrightarrow n=i\det \begin{pmatrix}3&3\\ 2&-1\end{pmatrix}-j\det \begin{pmatrix}-2&3\\ -2&-1\end{pmatrix}+k\det \begin{pmatrix}-2&3\\ -2&2\end{pmatrix}

\overrightarrow n=i(-9)-j(8)+k(2)

\overrightarrow n=-9i-8j+2k

\overrightarrow n=

Therefore, the nonzero vector orthogonal to the plane is <-9,-8,2>.

8 0
3 years ago
Rewrite the sentence with correct punctuation and capitalization.
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Answer:

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Step-by-step explanation:

Just combine like terms.

4 0
3 years ago
What value or values of x satisfy 2|x+5.3|=4.2
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x = -2.1-5.3; x = -7.4;
The correct answer is c.
4 0
3 years ago
Read 2 more answers
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