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vampirchik [111]

2 years ago

7

If f(x)=4x^2+1 g(x)=x^2-5find (f-g)(x)

1 answer:

JulsSmile [24]2 years ago

7 0

ANSWER: 3x^2 + 6

4x^2 + 1 - (x^2 - 5) = 3x^2 + 6

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a bag of 13 marbles contains 2 greeb, 7 blue, 1 yellow, and 3 red marbles. if a blue marble is oulled at random and not put back

weeeeeb [17]

13 /26. I think is your answer

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2 years ago

Find each sum. (-3)+2

iren2701 [21]

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MA_775_DIABLO [31]

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Tamiku [17]

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6 0

2 years ago

Elyse has $18 on a gift card that she can use to rent movies online. The graph at the right shows the amount of money remaining

blsea [12.9K]

Answer:

see the explanation

Step-by-step explanation:

The complete question in the attached figure

Let

x ----> the number of movies

y ----> the amount of money remaining on her gift card

we know that

The slope of the linear equation is equal to the unit rate

take two points from the graph

(0,18) and (2,12)

Find the slope

$m=(12-18)/(2-0)$

$m=(-6)/(2)=-\$3\ per\ movie$ ---> is negative because is a decreasing function

That means -----> Each movie she rents cost her $3, so her gift card balance will decrease $3 for every movie rented

The linear equation is equal to

$y=-3x+18$

For y=0

$0=-3x+18$

$x=6$

so

6 is the maximum number of movies that Elyse can rent on line

6 0

2 years ago