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3 years ago

9

PLEASE HELP ITS A GRADE!!!!! :)

1 answer:

kiruha [24]3 years ago

4 0

Answer: B. Domain: All Real Numbers Range: y > -4

Answer: A. Stretched by 2, right 3, and up one

Step-by-step explanation:

We know this because the y value starts at -4 and only goes up, so y is greater than -4. We know the domain is all the real numbers because as you can see, the x value comes in fro the left infinitely, and although the graph starts rising, the graph continually goes right forever, too.

Step by Step (Question 2):

We can see it is multiplied by 2, therefore stretched, and we see the exponent says -3, but this exponent is known as a lying exponent and it is the opposite so it is +3, making it go right 3, and we see it is +1, which makes it go up 1.

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Well, i don't know what you're asking, but -11,2,7,8,22?

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3 years ago

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3 years ago

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Anthony earned $131 in tips last night while working at the restaurant. If his tips consisted of $1 bills and $5 bills only and

Nadya [2.5K]

Answer:

21

Step-by-step explanation:

Let x = $1 bill

Let y = $5bill

<em>Translating the word problem into an algebraic equation;</em>

<em>For the total number of bills;</em>

$x + y = 47$ .........equation 1

<em>For the total number of tips;</em>

$x + 5y = 131$ ..........equation 2

<em>*Solving the linear equation by using the substitution method*</em>

<em>Making x the subject in equation 1:</em>

$x = 47 - y$ .......equation 3

<em>Substituting "x" into equation 2;</em>

$(47 - y) + 5y = 131$

<em>Simplifying the equation, we have;</em>

$47 + 4y = 131$

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$4y = 84$

$y = \frac {84}{4}$

y = 21 (For the $5 bills).

<em>Therefore, Anthony received 21 pieces of the $5 bills.</em>

To find x;

Substituting "y" into equation 3;

$x = 47 - 21$

x = 26 (For the $1 bill).

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2 years ago