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madreJ [45]
3 years ago
6

If f(x)=3x+7 and g(x)=2x-5 find g(f(-3))A. -26 B.-9 C. -1 D. 10

Mathematics
1 answer:
love history [14]3 years ago
3 0
f(x)=3x+7 \\   g(x)=2x-5 \\ \\   g(f(-3))  = ? \\ \\f(-3)=3x+7 =3 \cdot (-3)+7=-9+7=-2 \\ \\ g(-2)=2x-5 =2*(-2)-5=-4-5 = -9\\ \\ g(f(-3)) = -9 \\ \\ Answer: \ B.) \ \ -9
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4 0
3 years ago
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Aleksandr [31]
Hey!


In order to simplify this equation, we'll first have to multiply both sides of the equation by v. This will give us v on its own.

<em>Original Equation :</em>
\frac{-3}{v} = -6

<em>New Equation {Added Multiply Both Sides by V} :</em>
\frac{-3}{v} v=-6v

<em>Solution {New Equation Solved} :</em>
-3 = -6v

Now we'll switch sides to get v on the left side of the equation which is generally where we always want the variables to be located in these types of equations.

<em>Old Equation :</em>
-3 = -6v

<em>New Equation {Switched} :</em>
-6v=-3

Now we'll divide both sides by v to get v on its own.

<em>Old Equation :</em>
-6v = -3

<em>New Equation {Added Divide Both Sides by V} :</em>
\frac{-6v}{v} = \frac{-3}{v}

<em>Solution {New Equation Solved} :</em>
v =  \frac{1}{2}

<em>So, this means that in the equation \frac{-3}{v} =-6,</em>  v =  \frac{1}{2}.

Hope this helps!


- Lindsey Frazier ♥
3 0
3 years ago
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