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AlekseyPX
2 years ago
9

1. If f(x) = 4x + 5, what is the value of f(-3)? *

Mathematics
2 answers:
Dmitry [639]2 years ago
5 0
-18 hope this doesn’t get hate from people that a gods at this app and don’t know how to mind there beeswax
Stella [2.4K]2 years ago
4 0

Answer:

-7

Step-by-step explanation:

Plug the value in.

4(-3)+5=-12+5=-7

Hope I helped!

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Wich is equivalent to sqrt10^3/4 x
Sergio039 [100]

Answer:

( \sqrt[4]{10} ) ^{3x}

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What is the graph of the function f(x) = the quantity of x plus 2, all over x minus 3
lisabon 2012 [21]
Go to desmos.com its a free graphing calculator site. type in (x+2)/(x-3)

it'll show you the graph

6 0
2 years ago
For the function f(x)=(x+6)^3, rind f^-1(x)
qaws [65]

Answer:

f^{-1}(x)=\sqrt[3]{x}-6

Step-by-step explanation:

f(x)=(x+6)^3

y=(x+6)^3

x=(y+6)^3

\sqrt[3]{x}=y+6

\sqrt[3]{x}-6=y

5 0
2 years ago
Find the coordinates of the point (x,y,z) on the planez=4x+3y+1 which is closest to the origin.
Nataliya [291]
Given plane Π : f(x,y,z) = 4x+3y-z = -1
Need to find point P on Π  that is closest to the origin O=(0,0,0).

Solution:
First step: check if O is on the plane Π : f(0,0,0)=0 ≠ -1 => O is not on Π
Next:
We know that the required point must lie on the normal vector <4,3,-1> passing through the origin, i.e. 
P=(0,0,0)+k<4,3,-1> = (4k,3k,-k)
For P to lie on plane &Pi; , it must satisfy
4(4k)+3(3k)-(-k)=-1
Solving for k
k=-1/26
=>
Point P is (4k,3k,-k) = (-4/26, -3/26, 1/26) = (-2/13, -3/26, 1/26)
because P is on the normal vector originating from the origin, and it satisfies the equation of plane &Pi;
Answer: P(-2/13, -3/26, 1/26) is the point on &Pi; closest to the origin.

8 0
2 years ago
At the train station, the cost for parking is based on an hourly fee. Patrons that park for 2 hours or less are charged at the s
Aleksandr-060686 [28]

Answer:

96

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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