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True [87]
3 years ago
12

Which function is a quadratic function?

Mathematics
1 answer:
dsp733 years ago
4 0
I think the answer is b
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Triangle AB is 15 BD 9 what is area ABC
krek1111 [17]

Answer:

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3 0
3 years ago
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What is the equation when y=5x+4 is reflected over the x-axis, y-axis & y=x?
tigry1 [53]

Answer:

A) y=-5x-4

B) y=-5x+4

C) y=\frac{x-4}{5}

Step-by-step explanation:

So we have the equation:

y=5x+4

Let's write this in function notation. Thus:

y=f(x)=5x+4

A)

To flip a function over the x-axis, multiply the function by -1. Thus:

f(x)=5x+4\\-(f(x))=-(5x+4)

Simplify:

-f(x)=-5x-4

B) To flip a function over the y-axis, change the variable x to -x. Thus:

f(x)=5x+4\\f(-x)=5(-x)+4

Simplify:

f(-x)=-5x+4

C) A reflection over the line y=x is synonymous with finding the inverse of the function.

To find the inverse, switch x and f(x) and solve for f(x):

f(x)=5x+4

Switch:

x=5f^{-1}(x)+4

Subtract 4 from both sides:

x-4=5f^{-1}(x)

Divide both sides by 5:

f^{-1}(x)=\frac{x-4}{5}

And we're done :)

7 0
3 years ago
What kind of problem is this?
strojnjashka [21]
4x - 7 < 17
    + 7   + 7
     4x < 24
      4      4
       x < 6

Solution Set: (6, ∞) and {x|x < 6}
8 0
3 years ago
BRAINLIEST AND MAX PTS<br><br> CONVERT y = 40x + 600 to point-slope form
IRISSAK [1]

Answer:

The answer to your question is y - 0 = 40(x - 15)

Step-by-step explanation:

                                  y = 40x + 600

Convert to                 y - y₁ = m(x - x₁)          

Process

1.- Factor 40 in the right side of the equation

                                 y = 40(x - 15)

2.- Give the form of the point slope form

                                 y - 0 = 40(x - 15)

where

y₁ = 0

m = 40

x₁ = 15

3 0
3 years ago
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What would be the second step in solving the equation y−16=3y?
stiv31 [10]

Answer:

Divide both sides by 4

Step-by-step explanation:

Please give brainliest

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3 years ago
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