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3 years ago

7

Write the algebraic expression to represent the following: Twice a number n decrease by 7.

2 answers:

Shkiper50 [21]3 years ago

3 0

Answer:

2n-7

Step-by-step explanation:

Ulleksa [173]3 years ago

3 0

Answer:

2n-7

Step-by-step explanation:

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For the function f(x)=x2−24÷3+12<br><br> f(1) <br><br><br> f(0) <br><br><br> f(−1)

LuckyWell [14K]

Put the values of x to the equation of the function.

$f(x)=\dfrac{x^2-24}{3}+12$

$f(1)=\dfrac{1^2-24}{3}+12=\dfrac{1-24}{3}+12=\dfrac{-23}{3}+12=-7\dfrac{2}{3}+12=4\dfrac{1}{3}\\\\f(0)=\dfrac{0^2-24}{3}+12=\dfrac{-24}{3}+12=-8+12=4\\\\f(-1)=\dfrac{(-1)^2-24}{3}+12=\dfrac{1-24}{3}+12=\dfrac{-23}{3}+12=-7\dfrac{2}{3}+12=4\dfrac{1}{3}$

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Answer:

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Step-by-step explanation:

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