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Margarita [4]
3 years ago
10

Use the graph that shows the solution to f(x)=g(x) . f(x)=−3/4x2+3x+1 g(x)=2x What is the solution to f(x)=g(x) ?

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
6 0

Answer:

k12

3.03: Intersections of Graphs quiz

The answer is x=0 and x=2

Step-by-step explanation:

Lana71 [14]3 years ago
4 0

Option C: x=2 is the solution of the graph.

Explanation:

The function is f(x)=-\frac{3}{4}x^{2}  +3x+1 and g(x)=2x

We need to determine the solution of the function.

The solution can be determined by equating f(x)=g(x)

Thus, we have,

-\frac{3}{4}x^{2}  +3x+1=2x

Subtracting both sides by 2x, we have,

-\frac{3}{4}x^{2}  +x+1=0

Multiplying both sides by 4, we have,

-3x^{2}  +4x+4=0

Factoring, we get,

-3x^{2}  +6x-2x+4=0

Factoring out the common terms, we have,

(-3x^{2}  +6x)+(-2x+4)=0

Simplifying, we get,

-3x(x-2)-2(x-2)=0

       (-3x-2)(x-2)=0

Thus, we have,

-3x-2=0  or x-2=0

Simplifying, we get,

x=-\frac{2}{3}  or  x=2

Thus, the solution of the graph is x=2

Therefore, Option C is the correct answer.

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