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kicyunya [14]
4 years ago
10

Function f is an exponential function. It predicts the value of a famous sculpture, in thousands of dollars, as a function of th

e number of years since it was last purchased. What equation models this function?

Mathematics
2 answers:
IceJOKER [234]4 years ago
6 0

As we can observe from the graph:

The curve passes through two points as represented by two dots which are (0,5) and (1,7).

Also , it is given that the function is an exponential function.

As you can observe from the graph , the curve moves upwards that is from second quadrant to first quadrant.

It is an increasing function, because ,As value of x increases, value of y also increases.

The exponential curve is :

y-1 = 4e^x but it does not passes through (1,7).

So, by using desmos graphing , and plotting different graphs of exponential function , i found answer : y = 5\times (1.4)^x

Alex787 [66]4 years ago
3 0

5(1.4)^x

:|

Hai...

.-.

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8 0
4 years ago
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3 years ago
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3 0
4 years ago
1. Mark and Bill have a combined weight of 170
qwelly [4]
<h3>Equation : x + y = 170 and y = 2x - 40</h3><h3>The weight of Bill is 70 pounds and weight of mark is 100 pounds</h3>

<em><u>Solution:</u></em>

Let the weight of Bill be "x"

Let the weight of mark be "y"

Given that,

Mark and Bill have a combined weight of 170  pounds

Therefore,

x + y = 170 ------- eqn 1

Mark weighs 40 pounds less than twice Bill's  weight

y = 2x - 40 ------- eqn 2

<em><u>Substitute eqn 2 in eqn 1</u></em>

x + 2x - 40 = 170

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y = 2(70) - 40

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7 more students need to sign up.

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