MATHEMATICS MIDDLE SCHOOL

The function f(x) = 5One-fifth is reflected over the y-axis. Which equations represent the reflected function? Select two options.f(x) = One-fifth
f(x) = One-fifthOne-fifthOne-fifth
f(x) = 5One-fifth
f(x) = 5(5)x
f(x) = 5(5)–x

Answers

Answer 1

Answer:

Answer:

The equations that represent the reflected function are

$f(x)=5((1)/(5))^(-x)$

$f(x)=5(5)^(x)$

Step-by-step explanation:

The correct question in the attached figure

we have the function

$f(x)=5((1)/(5))^(x)$

we know that

A reflection across the y-axis interchanges positive x-values with negative x-values, swapping x and −x.

therefore

$f(−x) = f(x).$

The reflection of the given function across the y-axis will be equal to

(Remember interchanges positive x-values with negative x-values)

$f(x)=5((1)/(5))^(-x)$

An equivalent form will be

$f(x)=5((1)/(5))^((-1)(x))=5[((1)/(5))^(-1))]^(x)=5(5)^(x)$

therefore

The equations that represent the reflected function are

$f(x)=5((1)/(5))^(-x)$

$f(x)=5(5)^(x)$

Answer 2

Answer:

Answer:

c,d

Step-by-step explanation:

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What is the value of 8 in 8.644.58

Answers

So for the first 8, we need to find the value. The way I would find the value would be to find it's place value. So I know that the 8 is in the millionths period. So the value of the eight would be in the millionths. So I think it would be 8,000,000. So that would be the answer. The 8's value is 8,000,000 because of it being in the millionths period.

Hope that helped! :D

Which expression is equivalent to 7(xy)?
7x+y
7x-y
X(7y)
Xy/7

Answers

Answer:X(7y)

Step-by-step explanation:

Answer:

It's C, I got a 100% on my quiz when I put C

a travel company has 132 tourists who are going on a boat ride. each boat holds 8 passengers. how many boats does the travel company need to book ?

Answers

ok so
total capacity that all boats ordered can carry should be at least 132
total capacity that all boats ordered can carry =number of boats times number of people each boat can carry

people each boat can caryy=8 people
x=numbe of boats
132=x times 8
divide both sides by 8
132/8=x times 8/8
16.5=1x
16.5=x
you can't order 0.5 boats so round up to nearest whole
16.5 to 17

answer is 17 boats

132/8=16.5 boats
since you cant get 16.5 boats, round up to 17 boats.

Turn 0.12 to a fraction

Answers

12/100
6/50
3/25

once fully simplified 3/25 is your answer

The area of a rectangle is 128 sq. ft. If the width is twice the length, what is the measure of the length of the rectangle?

Answers

Length is 8 and width is 16. I hope this helps!

We calculate the area of a rectangle with the equation

A = LW*1/2
A = The area of a rectangle
L = the height of the triangle
W = the base of the triangle

If the equation is one unknown to solve them quickly .
A = 128sq.ft
L = ?
W = 2L

substitute values into the formula

A = L * W *1/2
128sq.ft = Lft. * (2Lft) *1/2
128 = L²
L = √128 = 8√2

W = 2L = 2*8√2 = 16√2

Lee and his family are planning a hiking trip on the Appalachian Trail. They are packing food in 2-lb bundles. How many bundles can they make with 36 lb of food ?