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Ronch [10]
3 years ago
15

What is the output, or y-value, when you input x = -3 into the function: x² − 3x + 1

Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0

Answer:

y = 19

Step by step explanation:

y = x ^{2}  - 3x + 1 \\  y = ( - 3) ^{2} - 3( - 3) + 1 \\ y = 19 \\ so \: the \: y - value \: is \: 19

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Blaine's company made $ 6 × 103 last year. William's company made 1.2 × 105 times Blaine's company. How much money did William's
Diano4ka-milaya [45]
Blaine's Company: 103 x 6 = 618
William's Company: 1.2 x 105 = 126 
Since William's Company made 126 x Blaine's company's 
126 x 618 = 77868.00
(I am not sure if I did this right I tried though) 
7 0
3 years ago
Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn's
morpeh [17]
The percent error is -2.1352% of Jocelyn's estimate. May I have Brainless
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a line has the equation 8x-2y=24 in standard form.Rewrite the equation of the line in slope intercept form.Then report the slope
inna [77]
8x-2y=24
-8x     -8x
-2y=-8x+24
----- ---- ----
  -2   -2   -2
y=4x-12

slope: 4
y-intercept: -12

6 0
3 years ago
What is the inverse of f(x)=−3x+5?
kotykmax [81]

Answer:

f-¹(x) = (4- x)/ 3

Step-by-step explanation:

inverse of a function is nothing but the value of x in terms of f(x)

like

if we write f(x) as y we'd get

y = - 3x + 5

so, ill express x in terms of y:-

y= -3x + 4

  • adding 3x on both sides of the equation

y + 3x = -3x + 3x + 4

  • subtracting y on both sides

y - y + 3x = 4 - y

3x = 4 - y

  • dividing the whole equation by 3

x = (4 - y)/ 3

soo, the inverse of the function is x = (4- y)/ 3

mostly we write the inverse in terms of x, hey! don't get confused, when i say this, I simply mean that we're gonna replace y with x and x with f-¹(x).

therefore,

f-¹(x) = (4- x)/ 3

6 0
3 years ago
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here are five rods a-1 a a a a+3 all measurements are in cm the total length of the five rods is l cm find a formula for l in te
Elenna [48]

Answer:

I=5a+2 (simplified form)


Step-by-step explanation:

I is the total length of all the 5 rods.

Each of the 5 parts lengths are (a-1), a, a, a, (a+3), respectively.


<em>We add all of them and equate it to I:</em>

I=(a-1)+a+a+a+(a+3)

<em>Simplifying this, we take like terms and add:</em>

<em>I=(a-1)+a+a+a+(a+3)\\I=5a-1+3\\I=5a+2</em>


5 0
3 years ago
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