3 years ago

Can someone help me please??

Mathematics

2 answers:

Viktor [21]3 years ago

6 0

Answer:

Step-by-step explanation:

Since you start out with an initial amount and are adding each time, it would increase with a positive slope, left to right

Sedaia [141]3 years ago

6 0

Answer:

D. The graph will be increasing from left to right.

Step-by-step explanation:

Both of the numbers given are positive, so the graph must also be positive.

If this answer is correct, please make me Brainliest!

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If f(x) =69-15x then f(f^-1(x))

xenn [34]

If f(x)=69-15x then $f(f^{-1}(x))=x$

Given :

$f(x)=69-15x\\$

Lets find out $f^{-1}(x)$ . The steps to find out f inverse are

Replace f(x) by y

$y=69-15x\\Interchange \; the \; variables\\x=69-15y\\solve \; for \; y\\x-69=-15y\\Divide \; by \; -15\\\frac{-x+69}{15} =y\\Replace \;y \;with \; f^{-1}\\f^{-1}=\frac{-x+69}{15}$

Now we find $f(f^{-1}(x))$

Replace inverse function in the place of x in f(x)

$f(f^{-1}(x))=f(\frac{-x+69}{15} )=69-15(\frac{-x+69}{15})=69-(-x+69)=69+x-69=x\\f(f^{-1}(x))=x$

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brainly.com/question/11242094

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3 years ago

45/50 + 50/50 equals what

Kazeer [188]

Answer:

1.9 as a decimal

1 9/10 as a fraction

Step-by-step explanation:

45 + 50 = 95

95/50 = 1 9/10

1 9/10 = 1.9

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3 years ago

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A new park is built with a 3/4 mile trail around a lake. The city wants to include a bench every 1/8 of a mile. How many benches

aleksandr82 [10.1K]

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6 benches are needed

Step-by-step explanation:

3/4= 6/8

1/8 goes into 6/8, 6 times so,

6 benches are needed on the 3/4 mile trail

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3 years ago

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3 years ago

What is the coefficient of n^2 in the sum of -5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2

pickupchik [31]

Hello :
-5^4+4n^2-n+5 : the coefficient of n^2 is : 4<span>
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3 years ago