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5. If f(x)=4x - 1 and f(x)=11, find x.

User Dakamojo
by
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1 Answer

5 votes

Answer:

x = 3

Explanation:

f(x)=4x - 1

f(x)=11, find x.

We want the value of x that would make 4x-1 equal to 11. Use 11 instead of f(x):

f(x)=4x - 1

11=4x - 1

Solve:

12 = 4x

x = 3

If x were 3, 4x-1 would be 4*3-3 or 11

User Sethy Proem
by
9.0k points

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