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Can anybody help me with please. Use the equation f(x)= 5x-1, find f(3)

Can anybody help me with please. Use the equation f(x)= 5x-1, find f(3)
asked 36.3k views
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Can anybody help me with please. Use the equation f(x)= 5x-1, find f(3)

asked
User Ibm
by
7.7k points

2 Answers

3 votes
.8

why:

f(3) or any number is just a fancy way of saying x=3.

plug into the equation

3=5x-1

4=5x

divide your answers

.8
answered
User HaggarTheHorrible
by
8.3k points
4 votes

Answer:

14

Explanation:

Plug in 3 where you see x

5(3)-1

15-1

14

answered
User Marcusturewicz
by
7.9k points
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