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Find a so that the point (1,2) is on the graph of f(x)=ax^+3

Find a so that the point (1,2) is on the graph of f(x)=ax^+3
asked 106k views
4 votes
Find a so that the point (1,2) is on the graph of f(x)=ax^+3

asked
User Mthakuri
by
8.2k points

1 Answer

2 votes
Plug (1, 2) into the function so:
2 = a(1)^2+3
Subtract 3 from both sides
-1 = a(1)
a = -1
answered
User Daniel F
by
8.3k points
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