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rjkz [21]
3 years ago
14

Lydia read 1/5 of her book last week. this week she read 3 times as much as she read last week. write an expression to show how

much of her book Lilla has left to read. then simplify the expression.
Mathematics
1 answer:
bogdanovich [222]3 years ago
8 0
1/5 × 3 + 1/5 = y

4/5 = y

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3 years ago
Which value of a in the exponential function below would cause the function to shrink? f(x) = a(three-halves) superscript x
GarryVolchara [31]

The value of a in the exponential function is 4/5.

Given the exponential function is f(x)=a(3/2)ˣ.

An function may be a mathematical relation of the subsequent form: f(x)=aˣ. where x may be a variable, and a could be a constant called the exponential of the function.

When multiplying the any function by a constant, we may expand or shrink the function in the y-direction.

y=a(b)ˣ

If a>1 then the function will enlarge.

If a<1 then the function will shrink.

When a=4/5

Then 4/5<1 means the function would shrink.

When a=5/4

Then 5/4>1 means the function would enlarge.

When a=3/2

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When a=7/4

Then 7/4>1 means the function would enlarge.

Hence, the given function f(x)=a(3/2)ˣ would shrink when a=4/5.

Learn more about exponential function from here brainly.com/question/2456547

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6 0
2 years ago
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