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2 years ago

What is the range of a function f(x)=-x+15 when the domain is {-3,-1,11}?

Mathematics

1 answer:

hodyreva [135]2 years ago

4 0

Answer:

The range is the output value or the y value.

You would work backwards to find the domain.

f(x) = 4x - 1 f(x) = 4x - 1

3 = 4x - 1 7 = 4x - 1

add 1 to both sides add 1 to both sides

4 = 4x 8 = 4x

divide both sides by 4 divide both sides by 4

x = 1 x = 2

f(x) = 4x - 1 f(x) = 4x - 1

11 = 4x - 1 15 = 4x - 1

add 1 to both sides add 1 to both sides

12 = 4x 16 = 4x

divide both sides by 4 divide both sides by 4

x = 3 x = 4

Domain { 1, 2, 3, 4}

Step-by-step explanation:

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Now, we simply have to count in how many ways we can obtain every possible outcome for the sum. Consider the attached table: we can see that we can obtain:

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4 in three possible ways
5 in three possible ways
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7 in two possible ways
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