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ahrayia [7]
3 years ago
9

What is the value of f=(x)=16x when x= 1/2

Mathematics
1 answer:
zalisa [80]3 years ago
4 0
For the second question, your first option is correct, you would rewrite 8 in power-base form 8=2^3 as the first step to solving the equation, power base form is exponential form.


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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's the quadratic equation?
erma4kov [3.2K]
The standard form of the quadratic equation is ax^2 + bx + c. In vertex form, it's y = a(x – h)2 + k. 
The graph of a quadratic equation is a parabola, which looks like a u. If <em>a</em> is negative then it's an upside down u.
6 0
3 years ago
Read 2 more answers
Explain how two amounts of change can be the same but the percent of change can be different
densk [106]
If I understand the question correctly, you can have the same amount of change be two different percentages by having 4 quarters and 100 pennies.
Each quarter is 25%
Each penny is 1%
(am i explaining this right)
5 0
3 years ago
The table above gives values of the differentiable functions f and g, and f', the derivative of f, at selected values of x. If g
Aleks [24]

Answer:

B

Step-by-step explanation:

i just need points

7 0
2 years ago
Four more than a number is more than thirteen write inequality
aniked [119]
4 more than a number = x + 4
is more than = >
thirteen = 13
x + 4 > 13
7 0
3 years ago
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