3 years ago

What is m-5=10? Need help ASAP

Mathematics

2 answers:

gizmo_the_mogwai [7]3 years ago

8 0

M=15 add 5 to both sides, you get m=15

saveliy_v [14]3 years ago

4 0

M= 15 because you add 5 to the -5 and to the 10 which gives you 15 so m=15

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Step-by-step explanation:

$f(x)=\frac{x+7}{x^2-9}$ is the given function.

We are asked to find:

$f(-7)$

$f(2)$

$f(3)$ .

f(-7) means to replace x in the expression called f with -7:

Evaluate $\frac{x+7}{x^2-9}$ at $x=-7$

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$\frac{0}{49-9}$

$\frac{0}{40}$

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So f(-7)=0.

f(2) means to replace x in the expression called f with 2:

Evaluate $\frac{x+7}{x^2-9}$ at $x=2$

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$\frac{-9}{5}$

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f(3) means to replace x in the expression called f with 3:

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Division by 0 is not allowed so 3 is not in the domain of our function.

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