4 years ago

Use x for your variable. The product of four more than a number and nine is fifteen.

1 answer:

7 0

Answer:2

Step-by-step explanation:

Because 15= x+4+9

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Yanka [14]

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the domain of the function f(x) is $x\ge 7$

the range of the function f(x) is $f(x)\ge 9$

Step-by-step explanation:

Consider the parent function $y=\sqrt{x}.$

The domain og this function is $x\ge 0,$ the range of this function is $y\ge 0.$

The function $f(x)=\sqrt{x-7}+9$ is translated function $y=\sqrt{x}$ 7 units to the right and 9 units up, so

the domain of the function f(x) is $x\ge 7$

the range of the function f(x) is $f(x)\ge 9$

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Step-by-step explanation:

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